28625775

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6257}}^1$

素因数の和:6331

約数の個数: 24

約数和(自身を含む): 48111504

約数和(自身を除く): 19485729

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 6257, 18771, 31285, 93855, 156425, 381677, 469275, 1145031, 1908385, 5725155, 9541925, 28625775]

約数ペア:

[(1, 28625775), (3, 9541925), (5, 5725155), (15, 1908385), (25, 1145031), (61, 469275), (75, 381677), (183, 156425), (305, 93855), (915, 31285), (1525, 18771), (4575, 6257)]