31845843

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 51068160

約数和(自身を除く): 19222317

約数列:

[1, 3, 9, 19, 43, 57, 61, 71, 129, 171, 183, 213, 387, 549, 639, 817, 1159, 1349, 2451, 2623, 3053, 3477, 4047, 4331, 7353, 7869, 9159, 10431, 12141, 12993, 23607, 27477, 38979, 49837, 58007, 82289, 149511, 174021, 186233, 246867, 448533, 522063, 558699, 740601, 1676097, 3538427, 10615281, 31845843]

約数ペア:

[(1, 31845843), (3, 10615281), (9, 3538427), (19, 1676097), (43, 740601), (57, 558699), (61, 522063), (71, 448533), (129, 246867), (171, 186233), (183, 174021), (213, 149511), (387, 82289), (549, 58007), (639, 49837), (817, 38979), (1159, 27477), (1349, 23607), (2451, 12993), (2623, 12141), (3053, 10431), (3477, 9159), (4047, 7869), (4331, 7353)]