128425815

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{58243}}^1$

素因数の和:58268

約数の個数: 36

約数和(自身を含む): 258952824

約数和(自身を除く): 130527009

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 58243, 174729, 291215, 407701, 524187, 873645, 1223103, 2038505, 2620935, 2853907, 3669309, 6115515, 8561721, 14269535, 18346545, 25685163, 42808605, 128425815]

約数ペア:

[(1, 128425815), (3, 42808605), (5, 25685163), (7, 18346545), (9, 14269535), (15, 8561721), (21, 6115515), (35, 3669309), (45, 2853907), (49, 2620935), (63, 2038505), (105, 1223103), (147, 873645), (245, 524187), (315, 407701), (441, 291215), (735, 174729), (2205, 58243)]