61317921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{677}}^1$

素因数の和:933

約数の個数: 32

約数和(自身を含む): 98933760

約数和(自身を除く): 37615839

約数列:

[1, 3, 7, 19, 21, 57, 133, 227, 399, 677, 681, 1589, 2031, 4313, 4739, 4767, 12863, 12939, 14217, 30191, 38589, 90041, 90573, 153679, 270123, 461037, 1075753, 2919901, 3227259, 8759703, 20439307, 61317921]

約数ペア:

[(1, 61317921), (3, 20439307), (7, 8759703), (19, 3227259), (21, 2919901), (57, 1075753), (133, 461037), (227, 270123), (399, 153679), (677, 90573), (681, 90041), (1589, 38589), (2031, 30191), (4313, 14217), (4739, 12939), (4767, 12863)]