1420816455

素因数分解:

$3^2\times 5^1\times {\mathrm{5981}}^1\times {\mathrm{5279}}^1$

素因数の和:11271

約数の個数: 24

約数和(自身を含む): 2463626880

約数和(自身を除く): 1042810425

約数列:

[1, 3, 5, 9, 15, 45, 5279, 5981, 15837, 17943, 26395, 29905, 47511, 53829, 79185, 89715, 237555, 269145, 31573699, 94721097, 157868495, 284163291, 473605485, 1420816455]

約数ペア:

[(1, 1420816455), (3, 473605485), (5, 284163291), (9, 157868495), (15, 94721097), (45, 31573699), (5279, 269145), (5981, 237555), (15837, 89715), (17943, 79185), (26395, 53829), (29905, 47511)]