67866825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1481}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 123492096

約数和(自身を除く): 55625271

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 195, 235, 325, 611, 705, 975, 1175, 1481, 1833, 3055, 3525, 4443, 7405, 9165, 15275, 19253, 22215, 37025, 45825, 57759, 69607, 96265, 111075, 208821, 288795, 348035, 481325, 904891, 1044105, 1443975, 1740175, 2714673, 4524455, 5220525, 13573365, 22622275, 67866825]

約数ペア:

[(1, 67866825), (3, 22622275), (5, 13573365), (13, 5220525), (15, 4524455), (25, 2714673), (39, 1740175), (47, 1443975), (65, 1044105), (75, 904891), (141, 481325), (195, 348035), (235, 288795), (325, 208821), (611, 111075), (705, 96265), (975, 69607), (1175, 57759), (1481, 45825), (1833, 37025), (3055, 22215), (3525, 19253), (4443, 15275), (7405, 9165)]