31613385

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2205

約数の個数: 32

約数和(自身を含む): 54033408

約数和(自身を除く): 22420023

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2131, 2967, 4945, 6393, 10655, 14835, 31965, 49013, 91633, 147039, 245065, 274899, 458165, 735195, 1374495, 2107559, 6322677, 10537795, 31613385]

約数ペア:

[(1, 31613385), (3, 10537795), (5, 6322677), (15, 2107559), (23, 1374495), (43, 735195), (69, 458165), (115, 274899), (129, 245065), (215, 147039), (345, 91633), (645, 49013), (989, 31965), (2131, 14835), (2967, 10655), (4945, 6393)]