81727945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{227}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 110315520

約数和(自身を除く): 28587575

約数列:

[1, 5, 13, 29, 65, 145, 191, 227, 377, 955, 1135, 1885, 2483, 2951, 5539, 6583, 12415, 14755, 27695, 32915, 43357, 72007, 85579, 216785, 360035, 427895, 563641, 1257353, 2818205, 6286765, 16345589, 81727945]

約数ペア:

[(1, 81727945), (5, 16345589), (13, 6286765), (29, 2818205), (65, 1257353), (145, 563641), (191, 427895), (227, 360035), (377, 216785), (955, 85579), (1135, 72007), (1885, 43357), (2483, 32915), (2951, 27695), (5539, 14755), (6583, 12415)]