318512805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{39839}}^1$

素因数の和:39901

約数の個数: 32

約数和(自身を含む): 562222080

約数和(自身を除く): 243709275

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 39839, 119517, 199195, 517907, 597585, 1553721, 1633399, 2589535, 4900197, 7768605, 8166995, 21234187, 24500985, 63702561, 106170935, 318512805]

約数ペア:

[(1, 318512805), (3, 106170935), (5, 63702561), (13, 24500985), (15, 21234187), (39, 8166995), (41, 7768605), (65, 4900197), (123, 2589535), (195, 1633399), (205, 1553721), (533, 597585), (615, 517907), (1599, 199195), (2665, 119517), (7995, 39839)]