128839257

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{3313}}^1$

素因数の和:3497

約数の個数: 24

約数和(自身を含む): 193869000

約数和(自身を除く): 65029743

約数列:

[1, 3, 9, 29, 87, 149, 261, 447, 1341, 3313, 4321, 9939, 12963, 29817, 38889, 96077, 288231, 493637, 864693, 1480911, 4442733, 14315473, 42946419, 128839257]

約数ペア:

[(1, 128839257), (3, 42946419), (9, 14315473), (29, 4442733), (87, 1480911), (149, 864693), (261, 493637), (447, 288231), (1341, 96077), (3313, 38889), (4321, 29817), (9939, 12963)]