149520903

素因数分解:

$3^1\times 7^3\times {\mathrm{145307}}^1$

素因数の和:145331

約数の個数: 16

約数和(自身を含む): 232492800

約数和(自身を除く): 82971897

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 145307, 435921, 1017149, 3051447, 7120043, 21360129, 49840301, 149520903]

約数ペア:

[(1, 149520903), (3, 49840301), (7, 21360129), (21, 7120043), (49, 3051447), (147, 1017149), (343, 435921), (1029, 145307)]