68151945

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{353}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 111671424

約数和(自身を除く): 43519479

約数列:

[1, 3, 5, 15, 61, 183, 211, 305, 353, 633, 915, 1055, 1059, 1765, 3165, 5295, 12871, 21533, 38613, 64355, 64599, 74483, 107665, 193065, 223449, 322995, 372415, 1117245, 4543463, 13630389, 22717315, 68151945]

約数ペア:

[(1, 68151945), (3, 22717315), (5, 13630389), (15, 4543463), (61, 1117245), (183, 372415), (211, 322995), (305, 223449), (353, 193065), (633, 107665), (915, 74483), (1055, 64599), (1059, 64355), (1765, 38613), (3165, 21533), (5295, 12871)]