212843457

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 329853888

約数和(自身を除く): 117010431

約数列:

[1, 3, 9, 27, 61, 81, 83, 173, 183, 243, 249, 519, 549, 747, 1557, 1647, 2241, 4671, 4941, 5063, 6723, 10553, 14013, 14359, 14823, 15189, 20169, 31659, 42039, 43077, 45567, 94977, 129231, 136701, 284931, 387693, 410103, 854793, 875899, 1163079, 1230309, 2564379, 2627697, 3489237, 7883091, 23649273, 70947819, 212843457]

約数ペア:

[(1, 212843457), (3, 70947819), (9, 23649273), (27, 7883091), (61, 3489237), (81, 2627697), (83, 2564379), (173, 1230309), (183, 1163079), (243, 875899), (249, 854793), (519, 410103), (549, 387693), (747, 284931), (1557, 136701), (1647, 129231), (2241, 94977), (4671, 45567), (4941, 43077), (5063, 42039), (6723, 31659), (10553, 20169), (14013, 15189), (14359, 14823)]