128602725

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{55313}}^1$

素因数の和:55357

約数の個数: 24

約数和(自身を含む): 219485952

約数和(自身を除く): 90883227

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 55313, 165939, 276565, 829695, 1382825, 1714703, 4148475, 5144109, 8573515, 25720545, 42867575, 128602725]

約数ペア:

[(1, 128602725), (3, 42867575), (5, 25720545), (15, 8573515), (25, 5144109), (31, 4148475), (75, 1714703), (93, 1382825), (155, 829695), (465, 276565), (775, 165939), (2325, 55313)]