156989217

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{679607}}^1$

素因数の和:679628

約数の個数: 16

約数和(自身を含む): 260969472

約数和(自身を除く): 103980255

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 679607, 2038821, 4757249, 7475677, 14271747, 22427031, 52329739, 156989217]

約数ペア:

[(1, 156989217), (3, 52329739), (7, 22427031), (11, 14271747), (21, 7475677), (33, 4757249), (77, 2038821), (231, 679607)]