30487821

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 50389248

約数和(自身を除く): 19901427

約数列:

[1, 3, 7, 13, 21, 39, 91, 181, 273, 543, 617, 1267, 1851, 2353, 3801, 4319, 7059, 8021, 12957, 16471, 24063, 49413, 56147, 111677, 168441, 335031, 781739, 1451801, 2345217, 4355403, 10162607, 30487821]

約数ペア:

[(1, 30487821), (3, 10162607), (7, 4355403), (13, 2345217), (21, 1451801), (39, 781739), (91, 335031), (181, 168441), (273, 111677), (543, 56147), (617, 49413), (1267, 24063), (1851, 16471), (2353, 12957), (3801, 8021), (4319, 7059)]