71491155

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 117765120

約数和(自身を除く): 46273965

約数列:

[1, 3, 5, 15, 43, 129, 215, 271, 409, 645, 813, 1227, 1355, 2045, 4065, 6135, 11653, 17587, 34959, 52761, 58265, 87935, 110839, 174795, 263805, 332517, 554195, 1662585, 4766077, 14298231, 23830385, 71491155]

約数ペア:

[(1, 71491155), (3, 23830385), (5, 14298231), (15, 4766077), (43, 1662585), (129, 554195), (215, 332517), (271, 263805), (409, 174795), (645, 110839), (813, 87935), (1227, 58265), (1355, 52761), (2045, 34959), (4065, 17587), (6135, 11653)]