2764215

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 5222880

約数和(自身を除く): 2458665

約数列:

[1, 3, 5, 9, 15, 19, 45, 53, 57, 61, 95, 159, 171, 183, 265, 285, 305, 477, 549, 795, 855, 915, 1007, 1159, 2385, 2745, 3021, 3233, 3477, 5035, 5795, 9063, 9699, 10431, 15105, 16165, 17385, 29097, 45315, 48495, 52155, 61427, 145485, 184281, 307135, 552843, 921405, 2764215]

約数ペア:

[(1, 2764215), (3, 921405), (5, 552843), (9, 307135), (15, 184281), (19, 145485), (45, 61427), (53, 52155), (57, 48495), (61, 45315), (95, 29097), (159, 17385), (171, 16165), (183, 15105), (265, 10431), (285, 9699), (305, 9063), (477, 5795), (549, 5035), (795, 3477), (855, 3233), (915, 3021), (1007, 2745), (1159, 2385)]