139451221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 183617280

約数和(自身を除く): 44166059

約数列:

[1, 7, 13, 17, 91, 109, 119, 221, 763, 827, 1417, 1547, 1853, 5789, 9919, 10751, 12971, 14059, 24089, 75257, 90143, 98413, 168623, 182767, 631001, 1171859, 1279369, 1532431, 8203013, 10727017, 19921603, 139451221]

約数ペア:

[(1, 139451221), (7, 19921603), (13, 10727017), (17, 8203013), (91, 1532431), (109, 1279369), (119, 1171859), (221, 631001), (763, 182767), (827, 168623), (1417, 98413), (1547, 90143), (1853, 75257), (5789, 24089), (9919, 14059), (10751, 12971)]