18621375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 34504704

約数和(自身を除く): 15883329

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 75, 85, 115, 125, 127, 255, 345, 375, 381, 391, 425, 575, 635, 1173, 1275, 1725, 1905, 1955, 2125, 2159, 2875, 2921, 3175, 5865, 6375, 6477, 8625, 8763, 9525, 9775, 10795, 14605, 15875, 29325, 32385, 43815, 47625, 48875, 49657, 53975, 73025, 146625, 148971, 161925, 219075, 248285, 269875, 365125, 744855, 809625, 1095375, 1241425, 3724275, 6207125, 18621375]

約数ペア:

[(1, 18621375), (3, 6207125), (5, 3724275), (15, 1241425), (17, 1095375), (23, 809625), (25, 744855), (51, 365125), (69, 269875), (75, 248285), (85, 219075), (115, 161925), (125, 148971), (127, 146625), (255, 73025), (345, 53975), (375, 49657), (381, 48875), (391, 47625), (425, 43815), (575, 32385), (635, 29325), (1173, 15875), (1275, 14605), (1725, 10795), (1905, 9775), (1955, 9525), (2125, 8763), (2159, 8625), (2875, 6477), (2921, 6375), (3175, 5865)]