15553125

素因数分解:

$3^2\times 5^5\times 7^1\times {\mathrm{79}}^1$

素因数の和:117

約数の個数: 72

約数和(自身を含む): 32497920

約数和(自身を除く): 16944795

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 79, 105, 125, 175, 225, 237, 315, 375, 395, 525, 553, 625, 711, 875, 1125, 1185, 1575, 1659, 1875, 1975, 2625, 2765, 3125, 3555, 4375, 4977, 5625, 5925, 7875, 8295, 9375, 9875, 13125, 13825, 17775, 21875, 24885, 28125, 29625, 39375, 41475, 49375, 65625, 69125, 88875, 124425, 148125, 196875, 207375, 246875, 345625, 444375, 622125, 740625, 1036875, 1728125, 2221875, 3110625, 5184375, 15553125]

約数ペア:

[(1, 15553125), (3, 5184375), (5, 3110625), (7, 2221875), (9, 1728125), (15, 1036875), (21, 740625), (25, 622125), (35, 444375), (45, 345625), (63, 246875), (75, 207375), (79, 196875), (105, 148125), (125, 124425), (175, 88875), (225, 69125), (237, 65625), (315, 49375), (375, 41475), (395, 39375), (525, 29625), (553, 28125), (625, 24885), (711, 21875), (875, 17775), (1125, 13825), (1185, 13125), (1575, 9875), (1659, 9375), (1875, 8295), (1975, 7875), (2625, 5925), (2765, 5625), (3125, 4977), (3555, 4375)]