161823285

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 341913600

約数和(自身を除く): 180090315

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 27, 39, 45, 57, 65, 69, 95, 115, 117, 135, 171, 195, 207, 211, 247, 285, 299, 345, 351, 437, 513, 585, 621, 633, 741, 855, 897, 1035, 1055, 1235, 1311, 1495, 1755, 1899, 2185, 2223, 2565, 2691, 2743, 3105, 3165, 3705, 3933, 4009, 4485, 4853, 5681, 5697, 6555, 6669, 8073, 8229, 9495, 11115, 11799, 12027, 13455, 13715, 14559, 17043, 19665, 20045, 24265, 24687, 28405, 28485, 33345, 36081, 40365, 41145, 43677, 51129, 52117, 58995, 60135, 63089, 72795, 74061, 85215, 92207, 108243, 123435, 131031, 153387, 156351, 180405, 189267, 218385, 255645, 260585, 276621, 315445, 370305, 461035, 469053, 541215, 567801, 655155, 766935, 781755, 829863, 946335, 1198691, 1383105, 1407159, 1703403, 2345265, 2489589, 2839005, 3596073, 4149315, 5993455, 7035795, 8517015, 10788219, 12447945, 17980365, 32364657, 53941095, 161823285]

約数ペア:

[(1, 161823285), (3, 53941095), (5, 32364657), (9, 17980365), (13, 12447945), (15, 10788219), (19, 8517015), (23, 7035795), (27, 5993455), (39, 4149315), (45, 3596073), (57, 2839005), (65, 2489589), (69, 2345265), (95, 1703403), (115, 1407159), (117, 1383105), (135, 1198691), (171, 946335), (195, 829863), (207, 781755), (211, 766935), (247, 655155), (285, 567801), (299, 541215), (345, 469053), (351, 461035), (437, 370305), (513, 315445), (585, 276621), (621, 260585), (633, 255645), (741, 218385), (855, 189267), (897, 180405), (1035, 156351), (1055, 153387), (1235, 131031), (1311, 123435), (1495, 108243), (1755, 92207), (1899, 85215), (2185, 74061), (2223, 72795), (2565, 63089), (2691, 60135), (2743, 58995), (3105, 52117), (3165, 51129), (3705, 43677), (3933, 41145), (4009, 40365), (4485, 36081), (4853, 33345), (5681, 28485), (5697, 28405), (6555, 24687), (6669, 24265), (8073, 20045), (8229, 19665), (9495, 17043), (11115, 14559), (11799, 13715), (12027, 13455)]