15991599

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 24018624

約数和(自身を除く): 8027025

約数列:

[1, 3, 13, 39, 41, 73, 123, 137, 219, 411, 533, 949, 1599, 1781, 2847, 2993, 5343, 5617, 8979, 10001, 16851, 30003, 38909, 73021, 116727, 130013, 219063, 390039, 410041, 1230123, 5330533, 15991599]

約数ペア:

[(1, 15991599), (3, 5330533), (13, 1230123), (39, 410041), (41, 390039), (73, 219063), (123, 130013), (137, 116727), (219, 73021), (411, 38909), (533, 30003), (949, 16851), (1599, 10001), (1781, 8979), (2847, 5617), (2993, 5343)]