6643815

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 11088576

約数和(自身を除く): 4444761

約数列:

[1, 3, 5, 15, 53, 61, 137, 159, 183, 265, 305, 411, 685, 795, 915, 2055, 3233, 7261, 8357, 9699, 16165, 21783, 25071, 36305, 41785, 48495, 108915, 125355, 442921, 1328763, 2214605, 6643815]

約数ペア:

[(1, 6643815), (3, 2214605), (5, 1328763), (15, 442921), (53, 125355), (61, 108915), (137, 48495), (159, 41785), (183, 36305), (265, 25071), (305, 21783), (411, 16165), (685, 9699), (795, 8357), (915, 7261), (2055, 3233)]