2680457865

素因数分解:

$3^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1\times {\mathrm{2707}}^1$

素因数の和:3229

約数の個数: 32

約数和(自身を含む): 4323787776

約数和(自身を除く): 1643329911

約数列:

[1, 3, 5, 15, 251, 263, 753, 789, 1255, 1315, 2707, 3765, 3945, 8121, 13535, 40605, 66013, 198039, 330065, 679457, 711941, 990195, 2038371, 2135823, 3397285, 3559705, 10191855, 10679115, 178697191, 536091573, 893485955, 2680457865]

約数ペア:

[(1, 2680457865), (3, 893485955), (5, 536091573), (15, 178697191), (251, 10679115), (263, 10191855), (753, 3559705), (789, 3397285), (1255, 2135823), (1315, 2038371), (2707, 990195), (3765, 711941), (3945, 679457), (8121, 330065), (13535, 198039), (40605, 66013)]