16861875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:86

約数の個数: 60

約数和(自身を含む): 31096296

約数和(自身を除く): 14234421

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 125, 255, 345, 375, 391, 425, 529, 575, 625, 1173, 1275, 1587, 1725, 1875, 1955, 2125, 2645, 2875, 5865, 6375, 7935, 8625, 8993, 9775, 10625, 13225, 14375, 26979, 29325, 31875, 39675, 43125, 44965, 48875, 66125, 134895, 146625, 198375, 224825, 244375, 330625, 674475, 733125, 991875, 1124125, 3372375, 5620625, 16861875]

約数ペア:

[(1, 16861875), (3, 5620625), (5, 3372375), (15, 1124125), (17, 991875), (23, 733125), (25, 674475), (51, 330625), (69, 244375), (75, 224825), (85, 198375), (115, 146625), (125, 134895), (255, 66125), (345, 48875), (375, 44965), (391, 43125), (425, 39675), (529, 31875), (575, 29325), (625, 26979), (1173, 14375), (1275, 13225), (1587, 10625), (1725, 9775), (1875, 8993), (1955, 8625), (2125, 7935), (2645, 6375), (2875, 5865)]