261767025

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1352

約数の個数: 96

約数和(自身を含む): 540798720

約数和(自身を除く): 279031695

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 27, 39, 45, 65, 69, 75, 115, 117, 135, 195, 207, 225, 299, 325, 345, 351, 575, 585, 621, 675, 897, 975, 1035, 1297, 1495, 1725, 1755, 2691, 2925, 3105, 3891, 4485, 5175, 6485, 7475, 8073, 8775, 11673, 13455, 15525, 16861, 19455, 22425, 29831, 32425, 35019, 40365, 50583, 58365, 67275, 84305, 89493, 97275, 149155, 151749, 175095, 201825, 252915, 268479, 291825, 387803, 421525, 447465, 455247, 745775, 758745, 805437, 875475, 1163409, 1264575, 1342395, 1939015, 2237325, 2276235, 3490227, 3793725, 4027185, 5817045, 6711975, 9695075, 10470681, 11381175, 17451135, 20135925, 29085225, 52353405, 87255675, 261767025]

約数ペア:

[(1, 261767025), (3, 87255675), (5, 52353405), (9, 29085225), (13, 20135925), (15, 17451135), (23, 11381175), (25, 10470681), (27, 9695075), (39, 6711975), (45, 5817045), (65, 4027185), (69, 3793725), (75, 3490227), (115, 2276235), (117, 2237325), (135, 1939015), (195, 1342395), (207, 1264575), (225, 1163409), (299, 875475), (325, 805437), (345, 758745), (351, 745775), (575, 455247), (585, 447465), (621, 421525), (675, 387803), (897, 291825), (975, 268479), (1035, 252915), (1297, 201825), (1495, 175095), (1725, 151749), (1755, 149155), (2691, 97275), (2925, 89493), (3105, 84305), (3891, 67275), (4485, 58365), (5175, 50583), (6485, 40365), (7475, 35019), (8073, 32425), (8775, 29831), (11673, 22425), (13455, 19455), (15525, 16861)]