1392678891

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1\times {\mathrm{263}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 2149804800

約数和(自身を除く): 757125909

約数列:

[1, 3, 9, 19, 57, 171, 173, 179, 263, 519, 537, 789, 1557, 1611, 2367, 3287, 3401, 4997, 9861, 10203, 14991, 29583, 30609, 30967, 44973, 45499, 47077, 92901, 136497, 141231, 278703, 409491, 423693, 588373, 864481, 894463, 1765119, 2593443, 2683389, 5295357, 7780329, 8050167, 8144321, 24432963, 73298889, 154742099, 464226297, 1392678891]

約数ペア:

[(1, 1392678891), (3, 464226297), (9, 154742099), (19, 73298889), (57, 24432963), (171, 8144321), (173, 8050167), (179, 7780329), (263, 5295357), (519, 2683389), (537, 2593443), (789, 1765119), (1557, 894463), (1611, 864481), (2367, 588373), (3287, 423693), (3401, 409491), (4997, 278703), (9861, 141231), (10203, 136497), (14991, 92901), (29583, 47077), (30609, 45499), (30967, 44973)]