18375825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 33497856

約数和(自身を除く): 15122031

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 401, 611, 705, 975, 1175, 1203, 1833, 2005, 3055, 3525, 5213, 6015, 9165, 10025, 15275, 15639, 18847, 26065, 30075, 45825, 56541, 78195, 94235, 130325, 245011, 282705, 390975, 471175, 735033, 1225055, 1413525, 3675165, 6125275, 18375825]

約数ペア:

[(1, 18375825), (3, 6125275), (5, 3675165), (13, 1413525), (15, 1225055), (25, 735033), (39, 471175), (47, 390975), (65, 282705), (75, 245011), (141, 130325), (195, 94235), (235, 78195), (325, 56541), (401, 45825), (611, 30075), (705, 26065), (975, 18847), (1175, 15639), (1203, 15275), (1833, 10025), (2005, 9165), (3055, 6015), (3525, 5213)]