31918809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1617

約数の個数: 32

約数和(自身を含む): 50125824

約数和(自身を除く): 18207015

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 1209, 1553, 1581, 4659, 6851, 20189, 20553, 26401, 48143, 60567, 79203, 144429, 343213, 625859, 818431, 1029639, 1877577, 2455293, 10639603, 31918809]

約数ペア:

[(1, 31918809), (3, 10639603), (13, 2455293), (17, 1877577), (31, 1029639), (39, 818431), (51, 625859), (93, 343213), (221, 144429), (403, 79203), (527, 60567), (663, 48143), (1209, 26401), (1553, 20553), (1581, 20189), (4659, 6851)]