64651275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:114

約数の個数: 108

約数和(自身を含む): 134460144

約数和(自身を除く): 69808869

約数列:

[1, 3, 5, 9, 13, 15, 23, 25, 31, 39, 45, 65, 69, 75, 93, 115, 117, 155, 195, 207, 225, 279, 299, 325, 345, 403, 465, 575, 585, 713, 775, 897, 961, 975, 1035, 1209, 1395, 1495, 1725, 2015, 2139, 2325, 2691, 2883, 2925, 3565, 3627, 4485, 4805, 5175, 6045, 6417, 6975, 7475, 8649, 9269, 10075, 10695, 12493, 13455, 14415, 17825, 18135, 22103, 22425, 24025, 27807, 30225, 32085, 37479, 43245, 46345, 53475, 62465, 66309, 67275, 72075, 83421, 90675, 110515, 112437, 139035, 160425, 187395, 198927, 216225, 231725, 287339, 312325, 331545, 417105, 552575, 562185, 695175, 862017, 936975, 994635, 1436695, 1657725, 2085525, 2586051, 2810925, 4310085, 4973175, 7183475, 12930255, 21550425, 64651275]

約数ペア:

[(1, 64651275), (3, 21550425), (5, 12930255), (9, 7183475), (13, 4973175), (15, 4310085), (23, 2810925), (25, 2586051), (31, 2085525), (39, 1657725), (45, 1436695), (65, 994635), (69, 936975), (75, 862017), (93, 695175), (115, 562185), (117, 552575), (155, 417105), (195, 331545), (207, 312325), (225, 287339), (279, 231725), (299, 216225), (325, 198927), (345, 187395), (403, 160425), (465, 139035), (575, 112437), (585, 110515), (713, 90675), (775, 83421), (897, 72075), (961, 67275), (975, 66309), (1035, 62465), (1209, 53475), (1395, 46345), (1495, 43245), (1725, 37479), (2015, 32085), (2139, 30225), (2325, 27807), (2691, 24025), (2883, 22425), (2925, 22103), (3565, 18135), (3627, 17825), (4485, 14415), (4805, 13455), (5175, 12493), (6045, 10695), (6417, 10075), (6975, 9269), (7475, 8649)]