30861225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7219}}^1$

素因数の和:7254

約数の個数: 36

約数和(自身を含む): 58193200

約数和(自身を除く): 27331975

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 7219, 21657, 36095, 64971, 108285, 137161, 180475, 324855, 411483, 541425, 685805, 1234449, 1624275, 2057415, 3429025, 6172245, 10287075, 30861225]

約数ペア:

[(1, 30861225), (3, 10287075), (5, 6172245), (9, 3429025), (15, 2057415), (19, 1624275), (25, 1234449), (45, 685805), (57, 541425), (75, 411483), (95, 324855), (171, 180475), (225, 137161), (285, 108285), (475, 64971), (855, 36095), (1425, 21657), (4275, 7219)]