625637439

素因数分解:

$3^4\times 7^2\times {\mathrm{283}}^1\times {\mathrm{557}}^1$

素因数の和:866

約数の個数: 60

約数和(自身を含む): 1092981384

約数和(自身を除く): 467343945

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 283, 441, 557, 567, 849, 1323, 1671, 1981, 2547, 3899, 3969, 5013, 5943, 7641, 11697, 13867, 15039, 17829, 22923, 27293, 35091, 41601, 45117, 53487, 81879, 105273, 124803, 157631, 160461, 245637, 315819, 374409, 472893, 736911, 1103417, 1123227, 1418679, 2210733, 3310251, 4256037, 7723919, 9930753, 12768111, 23171757, 29792259, 69515271, 89376777, 208545813, 625637439]

約数ペア:

[(1, 625637439), (3, 208545813), (7, 89376777), (9, 69515271), (21, 29792259), (27, 23171757), (49, 12768111), (63, 9930753), (81, 7723919), (147, 4256037), (189, 3310251), (283, 2210733), (441, 1418679), (557, 1123227), (567, 1103417), (849, 736911), (1323, 472893), (1671, 374409), (1981, 315819), (2547, 245637), (3899, 160461), (3969, 157631), (5013, 124803), (5943, 105273), (7641, 81879), (11697, 53487), (13867, 45117), (15039, 41601), (17829, 35091), (22923, 27293)]