66221415

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 128419200

約数和(自身を除く): 62197785

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 97, 117, 135, 195, 291, 351, 389, 485, 585, 873, 1167, 1261, 1455, 1755, 1945, 2619, 3501, 3783, 4365, 5057, 5835, 6305, 10503, 11349, 13095, 15171, 17505, 18915, 25285, 34047, 37733, 45513, 52515, 56745, 75855, 113199, 136539, 170235, 188665, 227565, 339597, 490529, 565995, 682695, 1018791, 1471587, 1697985, 2452645, 4414761, 5093955, 7357935, 13244283, 22073805, 66221415]

約数ペア:

[(1, 66221415), (3, 22073805), (5, 13244283), (9, 7357935), (13, 5093955), (15, 4414761), (27, 2452645), (39, 1697985), (45, 1471587), (65, 1018791), (97, 682695), (117, 565995), (135, 490529), (195, 339597), (291, 227565), (351, 188665), (389, 170235), (485, 136539), (585, 113199), (873, 75855), (1167, 56745), (1261, 52515), (1455, 45513), (1755, 37733), (1945, 34047), (2619, 25285), (3501, 18915), (3783, 17505), (4365, 15171), (5057, 13095), (5835, 11349), (6305, 10503)]