1320259647

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{421943}}^1$

素因数の和:422102

約数の個数: 16

約数和(自身を含む): 2025331200

約数和(自身を除く): 705071553

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 421943, 1265829, 2953601, 8860803, 62869507, 188608521, 440086549, 1320259647]

約数ペア:

[(1, 1320259647), (3, 440086549), (7, 188608521), (21, 62869507), (149, 8860803), (447, 2953601), (1043, 1265829), (3129, 421943)]