13890015

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3319}}^1$

素因数の和:3364

約数の個数: 32

約数和(自身を含む): 25497600

約数和(自身を除く): 11607585

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 3319, 4185, 9957, 16595, 29871, 49785, 89613, 102889, 149355, 308667, 448065, 514445, 926001, 1543335, 2778003, 4630005, 13890015]

約数ペア:

[(1, 13890015), (3, 4630005), (5, 2778003), (9, 1543335), (15, 926001), (27, 514445), (31, 448065), (45, 308667), (93, 149355), (135, 102889), (155, 89613), (279, 49785), (465, 29871), (837, 16595), (1395, 9957), (3319, 4185)]