281609445

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{7561}}^1$

素因数の和:7773

約数の個数: 32

約数和(自身を含む): 487839744

約数和(自身を除く): 206230299

約数列:

[1, 3, 5, 13, 15, 39, 65, 191, 195, 573, 955, 2483, 2865, 7449, 7561, 12415, 22683, 37245, 37805, 98293, 113415, 294879, 491465, 1444151, 1474395, 4332453, 7220755, 18773963, 21662265, 56321889, 93869815, 281609445]

約数ペア:

[(1, 281609445), (3, 93869815), (5, 56321889), (13, 21662265), (15, 18773963), (39, 7220755), (65, 4332453), (191, 1474395), (195, 1444151), (573, 491465), (955, 294879), (2483, 113415), (2865, 98293), (7449, 37805), (7561, 37245), (12415, 22683)]