28879575

素因数分解:

$3^1\times 5^2\times {\mathrm{419}}^1\times {\mathrm{919}}^1$

素因数の和:1351

約数の個数: 24

約数和(自身を含む): 47913600

約数和(自身を除く): 19034025

約数列:

[1, 3, 5, 15, 25, 75, 419, 919, 1257, 2095, 2757, 4595, 6285, 10475, 13785, 22975, 31425, 68925, 385061, 1155183, 1925305, 5775915, 9626525, 28879575]

約数ペア:

[(1, 28879575), (3, 9626525), (5, 5775915), (15, 1925305), (25, 1155183), (75, 385061), (419, 68925), (919, 31425), (1257, 22975), (2095, 13785), (2757, 10475), (4595, 6285)]