128535975

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{19699}}^1$

素因数の和:19744

約数の個数: 36

約数和(自身を含む): 238173000

約数和(自身を除く): 109637025

約数列:

[1, 3, 5, 9, 15, 25, 29, 45, 75, 87, 145, 225, 261, 435, 725, 1305, 2175, 6525, 19699, 59097, 98495, 177291, 295485, 492475, 571271, 886455, 1477425, 1713813, 2856355, 4432275, 5141439, 8569065, 14281775, 25707195, 42845325, 128535975]

約数ペア:

[(1, 128535975), (3, 42845325), (5, 25707195), (9, 14281775), (15, 8569065), (25, 5141439), (29, 4432275), (45, 2856355), (75, 1713813), (87, 1477425), (145, 886455), (225, 571271), (261, 492475), (435, 295485), (725, 177291), (1305, 98495), (2175, 59097), (6525, 19699)]