31829139

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 48980480

約数和(自身を除く): 17151341

約数列:

[1, 3, 9, 27, 37, 111, 151, 211, 333, 453, 633, 999, 1359, 1899, 4077, 5587, 5697, 7807, 16761, 23421, 31861, 50283, 70263, 95583, 150849, 210789, 286749, 860247, 1178857, 3536571, 10609713, 31829139]

約数ペア:

[(1, 31829139), (3, 10609713), (9, 3536571), (27, 1178857), (37, 860247), (111, 286749), (151, 210789), (211, 150849), (333, 95583), (453, 70263), (633, 50283), (999, 31861), (1359, 23421), (1899, 16761), (4077, 7807), (5587, 5697)]