15966015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2059

約数の個数: 32

約数和(自身を含む): 28195776

約数和(自身を除く): 12229761

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 1997, 2665, 5991, 7995, 9985, 25961, 29955, 77883, 81877, 129805, 245631, 389415, 409385, 1064401, 1228155, 3193203, 5322005, 15966015]

約数ペア:

[(1, 15966015), (3, 5322005), (5, 3193203), (13, 1228155), (15, 1064401), (39, 409385), (41, 389415), (65, 245631), (123, 129805), (195, 81877), (205, 77883), (533, 29955), (615, 25961), (1599, 9985), (1997, 7995), (2665, 5991)]