81039465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1$

素因数の和:383

約数の個数: 96

約数和(自身を含む): 166682880

約数和(自身を除く): 85643415

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 39, 45, 57, 65, 69, 95, 115, 117, 171, 195, 207, 247, 285, 299, 317, 345, 437, 585, 741, 855, 897, 951, 1035, 1235, 1311, 1495, 1585, 2185, 2223, 2691, 2853, 3705, 3933, 4121, 4485, 4755, 5681, 6023, 6555, 7291, 11115, 12363, 13455, 14265, 17043, 18069, 19665, 20605, 21873, 28405, 30115, 36455, 37089, 51129, 54207, 61815, 65619, 78299, 85215, 90345, 94783, 109365, 138529, 185445, 234897, 255645, 271035, 284349, 328095, 391495, 415587, 473915, 692645, 704691, 853047, 1174485, 1246761, 1421745, 1800877, 2077935, 3523455, 4265235, 5402631, 6233805, 9004385, 16207893, 27013155, 81039465]

約数ペア:

[(1, 81039465), (3, 27013155), (5, 16207893), (9, 9004385), (13, 6233805), (15, 5402631), (19, 4265235), (23, 3523455), (39, 2077935), (45, 1800877), (57, 1421745), (65, 1246761), (69, 1174485), (95, 853047), (115, 704691), (117, 692645), (171, 473915), (195, 415587), (207, 391495), (247, 328095), (285, 284349), (299, 271035), (317, 255645), (345, 234897), (437, 185445), (585, 138529), (741, 109365), (855, 94783), (897, 90345), (951, 85215), (1035, 78299), (1235, 65619), (1311, 61815), (1495, 54207), (1585, 51129), (2185, 37089), (2223, 36455), (2691, 30115), (2853, 28405), (3705, 21873), (3933, 20605), (4121, 19665), (4485, 18069), (4755, 17043), (5681, 14265), (6023, 13455), (6555, 12363), (7291, 11115)]