66884805

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1657}}^1$

素因数の和:1707

約数の個数: 64

約数和(自身を含む): 133701120

約数和(自身を除く): 66816315

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 115, 117, 135, 195, 207, 299, 345, 351, 585, 621, 897, 1035, 1495, 1657, 1755, 2691, 3105, 4485, 4971, 8073, 8285, 13455, 14913, 21541, 24855, 38111, 40365, 44739, 64623, 74565, 107705, 114333, 190555, 193869, 223695, 323115, 342999, 495443, 571665, 581607, 969345, 1028997, 1486329, 1714995, 2477215, 2908035, 4458987, 5144985, 7431645, 13376961, 22294935, 66884805]

約数ペア:

[(1, 66884805), (3, 22294935), (5, 13376961), (9, 7431645), (13, 5144985), (15, 4458987), (23, 2908035), (27, 2477215), (39, 1714995), (45, 1486329), (65, 1028997), (69, 969345), (115, 581607), (117, 571665), (135, 495443), (195, 342999), (207, 323115), (299, 223695), (345, 193869), (351, 190555), (585, 114333), (621, 107705), (897, 74565), (1035, 64623), (1495, 44739), (1657, 40365), (1755, 38111), (2691, 24855), (3105, 21541), (4485, 14913), (4971, 13455), (8073, 8285)]