64989405

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1995

約数の個数: 64

約数和(自身を含む): 131040000

約数和(自身を除く): 66050595

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 513, 585, 741, 855, 1235, 1755, 1949, 2223, 2565, 3705, 5847, 6669, 9745, 11115, 17541, 25337, 29235, 33345, 37031, 52623, 76011, 87705, 111093, 126685, 185155, 228033, 263115, 333279, 380055, 481403, 555465, 684099, 999837, 1140165, 1444209, 1666395, 2407015, 3420495, 4332627, 4999185, 7221045, 12997881, 21663135, 64989405]

約数ペア:

[(1, 64989405), (3, 21663135), (5, 12997881), (9, 7221045), (13, 4999185), (15, 4332627), (19, 3420495), (27, 2407015), (39, 1666395), (45, 1444209), (57, 1140165), (65, 999837), (95, 684099), (117, 555465), (135, 481403), (171, 380055), (195, 333279), (247, 263115), (285, 228033), (351, 185155), (513, 126685), (585, 111093), (741, 87705), (855, 76011), (1235, 52623), (1755, 37031), (1949, 33345), (2223, 29235), (2565, 25337), (3705, 17541), (5847, 11115), (6669, 9745)]