1276757715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{217691}}^1$

素因数の和:217739

約数の個数: 32

約数和(自身を含む): 2257030656

約数和(自身を除く): 980272941

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 217691, 653073, 1088455, 3265365, 3700747, 5006893, 11102241, 15020679, 18503735, 25034465, 55511205, 75103395, 85117181, 255351543, 425585905, 1276757715]

約数ペア:

[(1, 1276757715), (3, 425585905), (5, 255351543), (15, 85117181), (17, 75103395), (23, 55511205), (51, 25034465), (69, 18503735), (85, 15020679), (115, 11102241), (255, 5006893), (345, 3700747), (391, 3265365), (1173, 1088455), (1955, 653073), (5865, 217691)]