260845455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{21929}}^1$

素因数の和:22011

約数の個数: 32

約数和(自身を含む): 456845760

約数和(自身を除く): 196000305

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 2379, 3965, 11895, 21929, 65787, 109645, 285077, 328935, 855231, 1337669, 1425385, 4013007, 4276155, 6688345, 17389697, 20065035, 52169091, 86948485, 260845455]

約数ペア:

[(1, 260845455), (3, 86948485), (5, 52169091), (13, 20065035), (15, 17389697), (39, 6688345), (61, 4276155), (65, 4013007), (183, 1425385), (195, 1337669), (305, 855231), (793, 328935), (915, 285077), (2379, 109645), (3965, 65787), (11895, 21929)]