28566915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 50595840

約数和(自身を除く): 22028925

約数列:

[1, 3, 5, 13, 15, 39, 59, 65, 169, 177, 191, 195, 295, 507, 573, 767, 845, 885, 955, 2301, 2483, 2535, 2865, 3835, 7449, 9971, 11269, 11505, 12415, 29913, 32279, 33807, 37245, 49855, 56345, 96837, 146497, 149565, 161395, 169035, 439491, 484185, 732485, 1904461, 2197455, 5713383, 9522305, 28566915]

約数ペア:

[(1, 28566915), (3, 9522305), (5, 5713383), (13, 2197455), (15, 1904461), (39, 732485), (59, 484185), (65, 439491), (169, 169035), (177, 161395), (191, 149565), (195, 146497), (295, 96837), (507, 56345), (573, 49855), (767, 37245), (845, 33807), (885, 32279), (955, 29913), (2301, 12415), (2483, 11505), (2535, 11269), (2865, 9971), (3835, 7449)]