678015

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 1354080

約数和(自身を除く): 676065

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 61, 65, 95, 117, 171, 183, 195, 247, 285, 305, 549, 585, 741, 793, 855, 915, 1159, 1235, 2223, 2379, 2745, 3477, 3705, 3965, 5795, 7137, 10431, 11115, 11895, 15067, 17385, 35685, 45201, 52155, 75335, 135603, 226005, 678015]

約数ペア:

[(1, 678015), (3, 226005), (5, 135603), (9, 75335), (13, 52155), (15, 45201), (19, 35685), (39, 17385), (45, 15067), (57, 11895), (61, 11115), (65, 10431), (95, 7137), (117, 5795), (171, 3965), (183, 3705), (195, 3477), (247, 2745), (285, 2379), (305, 2223), (549, 1235), (585, 1159), (741, 915), (793, 855)]