1231288863

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{7933}}^1$

素因数の和:8351

約数の個数: 32

約数和(自身を含む): 1980326400

約数和(自身を除く): 749037537

約数列:

[1, 3, 7, 19, 21, 57, 133, 389, 399, 1167, 2723, 7391, 7933, 8169, 22173, 23799, 51737, 55531, 150727, 155211, 166593, 452181, 1055089, 3085937, 3165267, 9257811, 21601559, 58632803, 64804677, 175898409, 410429621, 1231288863]

約数ペア:

[(1, 1231288863), (3, 410429621), (7, 175898409), (19, 64804677), (21, 58632803), (57, 21601559), (133, 9257811), (389, 3165267), (399, 3085937), (1167, 1055089), (2723, 452181), (7391, 166593), (7933, 155211), (8169, 150727), (22173, 55531), (23799, 51737)]