897638871

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 1310031360

約数和(自身を除く): 412392489

約数列:

[1, 3, 23, 41, 69, 71, 109, 123, 213, 327, 943, 1633, 1681, 2507, 2829, 2911, 4469, 4899, 5043, 7521, 7739, 8733, 13407, 23217, 38663, 66953, 102787, 115989, 119351, 177997, 183229, 200859, 308361, 317299, 358053, 533991, 549687, 951897, 2745073, 4214267, 7297877, 8235219, 12642801, 13009259, 21893631, 39027777, 299212957, 897638871]

約数ペア:

[(1, 897638871), (3, 299212957), (23, 39027777), (41, 21893631), (69, 13009259), (71, 12642801), (109, 8235219), (123, 7297877), (213, 4214267), (327, 2745073), (943, 951897), (1633, 549687), (1681, 533991), (2507, 358053), (2829, 317299), (2911, 308361), (4469, 200859), (4899, 183229), (5043, 177997), (7521, 119351), (7739, 115989), (8733, 102787), (13407, 66953), (23217, 38663)]