213886965

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 347296896

約数和(自身を除く): 133409931

約数列:

[1, 3, 5, 15, 113, 257, 339, 491, 565, 771, 1285, 1473, 1695, 2455, 3855, 7365, 29041, 55483, 87123, 126187, 145205, 166449, 277415, 378561, 435615, 630935, 832245, 1892805, 14259131, 42777393, 71295655, 213886965]

約数ペア:

[(1, 213886965), (3, 71295655), (5, 42777393), (15, 14259131), (113, 1892805), (257, 832245), (339, 630935), (491, 435615), (565, 378561), (771, 277415), (1285, 166449), (1473, 145205), (1695, 126187), (2455, 87123), (3855, 55483), (7365, 29041)]