18390690975

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{22453}}^1$

素因数の和:22696

約数の個数: 48

約数和(自身を含む): 31050468992

約数和(自身を除く): 12659778017

約数列:

[1, 3, 5, 15, 25, 67, 75, 163, 201, 335, 489, 815, 1005, 1675, 2445, 4075, 5025, 10921, 12225, 22453, 32763, 54605, 67359, 112265, 163815, 273025, 336795, 561325, 819075, 1504351, 1683975, 3659839, 4513053, 7521755, 10979517, 18299195, 22565265, 37608775, 54897585, 91495975, 112826325, 245209213, 274487925, 735627639, 1226046065, 3678138195, 6130230325, 18390690975]

約数ペア:

[(1, 18390690975), (3, 6130230325), (5, 3678138195), (15, 1226046065), (25, 735627639), (67, 274487925), (75, 245209213), (163, 112826325), (201, 91495975), (335, 54897585), (489, 37608775), (815, 22565265), (1005, 18299195), (1675, 10979517), (2445, 7521755), (4075, 4513053), (5025, 3659839), (10921, 1683975), (12225, 1504351), (22453, 819075), (32763, 561325), (54605, 336795), (67359, 273025), (112265, 163815)]