215506818

素因数分解:

$2^1\times 3^4\times {\mathrm{331}}^1\times {\mathrm{4019}}^1$

素因数の和:4364

約数の個数: 40

約数和(自身を含む): 484474320

約数和(自身を除く): 268967502

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 331, 662, 993, 1986, 2979, 4019, 5958, 8038, 8937, 12057, 17874, 24114, 26811, 36171, 53622, 72342, 108513, 217026, 325539, 651078, 1330289, 2660578, 3990867, 7981734, 11972601, 23945202, 35917803, 71835606, 107753409, 215506818]

約数ペア:

[(1, 215506818), (2, 107753409), (3, 71835606), (6, 35917803), (9, 23945202), (18, 11972601), (27, 7981734), (54, 3990867), (81, 2660578), (162, 1330289), (331, 651078), (662, 325539), (993, 217026), (1986, 108513), (2979, 72342), (4019, 53622), (5958, 36171), (8038, 26811), (8937, 24114), (12057, 17874)]