201751875

素因数分解:

$3^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 120

約数和(自身を含む): 409368960

約数和(自身を除く): 207617085

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 89, 93, 117, 125, 155, 195, 225, 267, 279, 325, 375, 403, 445, 465, 585, 625, 775, 801, 975, 1125, 1157, 1209, 1335, 1395, 1625, 1875, 2015, 2225, 2325, 2759, 2925, 3471, 3627, 3875, 4005, 4875, 5625, 5785, 6045, 6675, 6975, 8125, 8277, 10075, 10413, 11125, 11625, 13795, 14625, 17355, 18135, 19375, 20025, 24375, 24831, 28925, 30225, 33375, 34875, 35867, 41385, 50375, 52065, 55625, 58125, 68975, 73125, 86775, 90675, 100125, 107601, 124155, 144625, 151125, 166875, 174375, 179335, 206925, 251875, 260325, 322803, 344875, 433875, 453375, 500625, 538005, 620775, 723125, 755625, 896675, 1034625, 1301625, 1614015, 1724375, 2169375, 2266875, 2690025, 3103875, 4483375, 5173125, 6508125, 8070075, 13450125, 15519375, 22416875, 40350375, 67250625, 201751875]

約数ペア:

[(1, 201751875), (3, 67250625), (5, 40350375), (9, 22416875), (13, 15519375), (15, 13450125), (25, 8070075), (31, 6508125), (39, 5173125), (45, 4483375), (65, 3103875), (75, 2690025), (89, 2266875), (93, 2169375), (117, 1724375), (125, 1614015), (155, 1301625), (195, 1034625), (225, 896675), (267, 755625), (279, 723125), (325, 620775), (375, 538005), (403, 500625), (445, 453375), (465, 433875), (585, 344875), (625, 322803), (775, 260325), (801, 251875), (975, 206925), (1125, 179335), (1157, 174375), (1209, 166875), (1335, 151125), (1395, 144625), (1625, 124155), (1875, 107601), (2015, 100125), (2225, 90675), (2325, 86775), (2759, 73125), (2925, 68975), (3471, 58125), (3627, 55625), (3875, 52065), (4005, 50375), (4875, 41385), (5625, 35867), (5785, 34875), (6045, 33375), (6675, 30225), (6975, 28925), (8125, 24831), (8277, 24375), (10075, 20025), (10413, 19375), (11125, 18135), (11625, 17355), (13795, 14625)]