31874895

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 62803104

約数和(自身を除く): 30928209

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 103, 115, 117, 195, 207, 299, 309, 345, 515, 529, 585, 897, 927, 1035, 1339, 1495, 1545, 1587, 2369, 2645, 2691, 4017, 4485, 4635, 4761, 6695, 6877, 7107, 7935, 11845, 12051, 13455, 20085, 20631, 21321, 23805, 30797, 34385, 35535, 54487, 60255, 61893, 92391, 103155, 106605, 153985, 163461, 272435, 277173, 309465, 461955, 490383, 708331, 817305, 1385865, 2124993, 2451915, 3541655, 6374979, 10624965, 31874895]

約数ペア:

[(1, 31874895), (3, 10624965), (5, 6374979), (9, 3541655), (13, 2451915), (15, 2124993), (23, 1385865), (39, 817305), (45, 708331), (65, 490383), (69, 461955), (103, 309465), (115, 277173), (117, 272435), (195, 163461), (207, 153985), (299, 106605), (309, 103155), (345, 92391), (515, 61893), (529, 60255), (585, 54487), (897, 35535), (927, 34385), (1035, 30797), (1339, 23805), (1495, 21321), (1545, 20631), (1587, 20085), (2369, 13455), (2645, 12051), (2691, 11845), (4017, 7935), (4485, 7107), (4635, 6877), (4761, 6695)]