157218117

素因数分解:

$3^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{4261}}^1$

素因数の和:4529

約数の個数: 24

約数和(自身を含む): 244877472

約数和(自身を除く): 87659355

約数列:

[1, 3, 7, 21, 49, 147, 251, 753, 1757, 4261, 5271, 12299, 12783, 29827, 36897, 89481, 208789, 626367, 1069511, 3208533, 7486577, 22459731, 52406039, 157218117]

約数ペア:

[(1, 157218117), (3, 52406039), (7, 22459731), (21, 7486577), (49, 3208533), (147, 1069511), (251, 626367), (753, 208789), (1757, 89481), (4261, 36897), (5271, 29827), (12299, 12783)]