31247433

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 53853696

約数和(自身を除く): 22606263

約数列:

[1, 3, 7, 9, 21, 47, 61, 63, 141, 173, 183, 329, 423, 427, 519, 549, 987, 1211, 1281, 1557, 2867, 2961, 3633, 3843, 8131, 8601, 10553, 10899, 20069, 24393, 25803, 31659, 56917, 60207, 73179, 73871, 94977, 170751, 180621, 221613, 495991, 512253, 664839, 1487973, 3471937, 4463919, 10415811, 31247433]

約数ペア:

[(1, 31247433), (3, 10415811), (7, 4463919), (9, 3471937), (21, 1487973), (47, 664839), (61, 512253), (63, 495991), (141, 221613), (173, 180621), (183, 170751), (329, 94977), (423, 73871), (427, 73179), (519, 60207), (549, 56917), (987, 31659), (1211, 25803), (1281, 24393), (1557, 20069), (2867, 10899), (2961, 10553), (3633, 8601), (3843, 8131)]