81262365

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 132537600

約数和(自身を除く): 51275235

約数列:

[1, 3, 5, 15, 103, 149, 309, 353, 447, 515, 745, 1059, 1545, 1765, 2235, 5295, 15347, 36359, 46041, 52597, 76735, 109077, 157791, 181795, 230205, 262985, 545385, 788955, 5417491, 16252473, 27087455, 81262365]

約数ペア:

[(1, 81262365), (3, 27087455), (5, 16252473), (15, 5417491), (103, 788955), (149, 545385), (309, 262985), (353, 230205), (447, 181795), (515, 157791), (745, 109077), (1059, 76735), (1545, 52597), (1765, 46041), (2235, 36359), (5295, 15347)]