66743775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1367}}^1$

素因数の和:1421

約数の個数: 72

約数和(自身を含む): 141133824

約数和(自身を除く): 74390049

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 93, 105, 155, 175, 217, 225, 279, 315, 465, 525, 651, 775, 1085, 1367, 1395, 1575, 1953, 2325, 3255, 4101, 5425, 6835, 6975, 9569, 9765, 12303, 16275, 20505, 28707, 34175, 42377, 47845, 48825, 61515, 86121, 102525, 127131, 143535, 211885, 239225, 296639, 307575, 381393, 430605, 635655, 717675, 889917, 1059425, 1483195, 1906965, 2153025, 2669751, 3178275, 4449585, 7415975, 9534825, 13348755, 22247925, 66743775]

約数ペア:

[(1, 66743775), (3, 22247925), (5, 13348755), (7, 9534825), (9, 7415975), (15, 4449585), (21, 3178275), (25, 2669751), (31, 2153025), (35, 1906965), (45, 1483195), (63, 1059425), (75, 889917), (93, 717675), (105, 635655), (155, 430605), (175, 381393), (217, 307575), (225, 296639), (279, 239225), (315, 211885), (465, 143535), (525, 127131), (651, 102525), (775, 86121), (1085, 61515), (1367, 48825), (1395, 47845), (1575, 42377), (1953, 34175), (2325, 28707), (3255, 20505), (4101, 16275), (5425, 12303), (6835, 9765), (6975, 9569)]