31289193

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 50489600

約数和(自身を除く): 19200407

約数列:

[1, 3, 9, 13, 27, 39, 97, 117, 291, 351, 873, 919, 1261, 2619, 2757, 3783, 8271, 11349, 11947, 24813, 34047, 35841, 89143, 107523, 267429, 322569, 802287, 1158859, 2406861, 3476577, 10429731, 31289193]

約数ペア:

[(1, 31289193), (3, 10429731), (9, 3476577), (13, 2406861), (27, 1158859), (39, 802287), (97, 322569), (117, 267429), (291, 107523), (351, 89143), (873, 35841), (919, 34047), (1261, 24813), (2619, 11947), (2757, 11349), (3783, 8271)]