1213302321

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4139}}^1$

素因数の和:4216

約数の個数: 80

約数和(自身を含む): 2308331520

約数和(自身を除く): 1095029199

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 63, 77, 81, 99, 141, 189, 231, 297, 329, 423, 517, 567, 693, 891, 987, 1269, 1551, 2079, 2961, 3619, 3807, 4139, 4653, 6237, 8883, 10857, 12417, 13959, 26649, 28973, 32571, 37251, 41877, 45529, 86919, 97713, 111753, 136587, 194533, 260757, 293139, 318703, 335259, 409761, 583599, 782271, 956109, 1229283, 1361731, 1750797, 2139863, 2346813, 2868327, 3687849, 4085193, 5252391, 6419589, 8604981, 12255579, 14979041, 15757173, 19258767, 25814943, 36766737, 44937123, 57776301, 110300211, 134811369, 173328903, 404434107, 1213302321]

約数ペア:

[(1, 1213302321), (3, 404434107), (7, 173328903), (9, 134811369), (11, 110300211), (21, 57776301), (27, 44937123), (33, 36766737), (47, 25814943), (63, 19258767), (77, 15757173), (81, 14979041), (99, 12255579), (141, 8604981), (189, 6419589), (231, 5252391), (297, 4085193), (329, 3687849), (423, 2868327), (517, 2346813), (567, 2139863), (693, 1750797), (891, 1361731), (987, 1229283), (1269, 956109), (1551, 782271), (2079, 583599), (2961, 409761), (3619, 335259), (3807, 318703), (4139, 293139), (4653, 260757), (6237, 194533), (8883, 136587), (10857, 111753), (12417, 97713), (13959, 86919), (26649, 45529), (28973, 41877), (32571, 37251)]