40720245

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 66852864

約数和(自身を除く): 26132619

約数列:

[1, 3, 5, 15, 61, 183, 191, 233, 305, 573, 699, 915, 955, 1165, 2865, 3495, 11651, 14213, 34953, 42639, 44503, 58255, 71065, 133509, 174765, 213195, 222515, 667545, 2714683, 8144049, 13573415, 40720245]

約数ペア:

[(1, 40720245), (3, 13573415), (5, 8144049), (15, 2714683), (61, 667545), (183, 222515), (191, 213195), (233, 174765), (305, 133509), (573, 71065), (699, 58255), (915, 44503), (955, 42639), (1165, 34953), (2865, 14213), (3495, 11651)]