201757725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2999}}^1$

素因数の和:3051

約数の個数: 72

約数和(自身を含む): 406224000

約数和(自身を除く): 204466275

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 39, 45, 65, 69, 75, 115, 117, 195, 207, 225, 299, 325, 345, 575, 585, 897, 975, 1035, 1495, 1725, 2691, 2925, 2999, 4485, 5175, 7475, 8997, 13455, 14995, 22425, 26991, 38987, 44985, 67275, 68977, 74975, 116961, 134955, 194935, 206931, 224925, 344885, 350883, 584805, 620793, 674775, 896701, 974675, 1034655, 1724425, 1754415, 2690103, 2924025, 3103965, 4483505, 5173275, 8070309, 8772075, 13450515, 15519825, 22417525, 40351545, 67252575, 201757725]

約数ペア:

[(1, 201757725), (3, 67252575), (5, 40351545), (9, 22417525), (13, 15519825), (15, 13450515), (23, 8772075), (25, 8070309), (39, 5173275), (45, 4483505), (65, 3103965), (69, 2924025), (75, 2690103), (115, 1754415), (117, 1724425), (195, 1034655), (207, 974675), (225, 896701), (299, 674775), (325, 620793), (345, 584805), (575, 350883), (585, 344885), (897, 224925), (975, 206931), (1035, 194935), (1495, 134955), (1725, 116961), (2691, 74975), (2925, 68977), (2999, 67275), (4485, 44985), (5175, 38987), (7475, 26991), (8997, 22425), (13455, 14995)]