13903845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 23445504

約数和(自身を除く): 9541659

約数列:

[1, 3, 5, 15, 23, 69, 115, 191, 211, 345, 573, 633, 955, 1055, 2865, 3165, 4393, 4853, 13179, 14559, 21965, 24265, 40301, 65895, 72795, 120903, 201505, 604515, 926923, 2780769, 4634615, 13903845]

約数ペア:

[(1, 13903845), (3, 4634615), (5, 2780769), (15, 926923), (23, 604515), (69, 201505), (115, 120903), (191, 72795), (211, 65895), (345, 40301), (573, 24265), (633, 21965), (955, 14559), (1055, 13179), (2865, 4853), (3165, 4393)]