31356819

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3229}}^1$

素因数の和:3331

約数の個数: 24

約数和(自身を含む): 49380240

約数和(自身を除く): 18023421

約数列:

[1, 3, 9, 13, 39, 83, 117, 249, 747, 1079, 3229, 3237, 9687, 9711, 29061, 41977, 125931, 268007, 377793, 804021, 2412063, 3484091, 10452273, 31356819]

約数ペア:

[(1, 31356819), (3, 10452273), (9, 3484091), (13, 2412063), (39, 804021), (83, 377793), (117, 268007), (249, 125931), (747, 41977), (1079, 29061), (3229, 9711), (3237, 9687)]