31249125

素因数分解:

$3^3\times 5^3\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 59304960

約数和(自身を除く): 28055835

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 125, 135, 141, 197, 225, 235, 375, 423, 591, 675, 705, 985, 1125, 1175, 1269, 1773, 2115, 2955, 3375, 3525, 4925, 5319, 5875, 6345, 8865, 9259, 10575, 14775, 17625, 24625, 26595, 27777, 31725, 44325, 46295, 52875, 73875, 83331, 132975, 138885, 158625, 221625, 231475, 249993, 416655, 664875, 694425, 1157375, 1249965, 2083275, 3472125, 6249825, 10416375, 31249125]

約数ペア:

[(1, 31249125), (3, 10416375), (5, 6249825), (9, 3472125), (15, 2083275), (25, 1249965), (27, 1157375), (45, 694425), (47, 664875), (75, 416655), (125, 249993), (135, 231475), (141, 221625), (197, 158625), (225, 138885), (235, 132975), (375, 83331), (423, 73875), (591, 52875), (675, 46295), (705, 44325), (985, 31725), (1125, 27777), (1175, 26595), (1269, 24625), (1773, 17625), (2115, 14775), (2955, 10575), (3375, 9259), (3525, 8865), (4925, 6345), (5319, 5875)]