72698031

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18917}}^1$

素因数の和:18991

約数の個数: 24

約数和(自身を含む): 121983264

約数和(自身を除く): 49285233

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 18917, 56751, 132419, 170253, 397257, 1153937, 1191771, 3461811, 8077559, 10385433, 24232677, 72698031]

約数ペア:

[(1, 72698031), (3, 24232677), (7, 10385433), (9, 8077559), (21, 3461811), (61, 1191771), (63, 1153937), (183, 397257), (427, 170253), (549, 132419), (1281, 56751), (3843, 18917)]