179613987

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 278208000

約数和(自身を除く): 98594013

約数列:

[1, 3, 7, 21, 137, 149, 411, 419, 447, 959, 1043, 1257, 2877, 2933, 3129, 8799, 20413, 57403, 61239, 62431, 142891, 172209, 187293, 401821, 428673, 437017, 1205463, 1311051, 8553047, 25659141, 59871329, 179613987]

約数ペア:

[(1, 179613987), (3, 59871329), (7, 25659141), (21, 8553047), (137, 1311051), (149, 1205463), (411, 437017), (419, 428673), (447, 401821), (959, 187293), (1043, 172209), (1257, 142891), (2877, 62431), (2933, 61239), (3129, 57403), (8799, 20413)]