859636827

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 1491333120

約数和(自身を除く): 631696293

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 173, 183, 189, 427, 431, 519, 549, 1211, 1281, 1293, 1557, 1647, 3017, 3633, 3843, 3879, 4671, 9051, 10553, 10899, 11529, 11637, 26291, 27153, 31659, 32697, 73871, 74563, 78873, 81459, 94977, 184037, 221613, 223689, 236619, 284931, 521941, 552111, 664839, 671067, 709857, 1565823, 1656333, 1994517, 2013201, 4548343, 4697469, 4968999, 13645029, 14092407, 31838401, 40935087, 95515203, 122805261, 286545609, 859636827]

約数ペア:

[(1, 859636827), (3, 286545609), (7, 122805261), (9, 95515203), (21, 40935087), (27, 31838401), (61, 14092407), (63, 13645029), (173, 4968999), (183, 4697469), (189, 4548343), (427, 2013201), (431, 1994517), (519, 1656333), (549, 1565823), (1211, 709857), (1281, 671067), (1293, 664839), (1557, 552111), (1647, 521941), (3017, 284931), (3633, 236619), (3843, 223689), (3879, 221613), (4671, 184037), (9051, 94977), (10553, 81459), (10899, 78873), (11529, 74563), (11637, 73871), (26291, 32697), (27153, 31659)]