30998709

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:127

約数の個数: 72

約数和(自身を含む): 57058560

約数和(自身を除く): 26059851

約数列:

[1, 3, 7, 9, 19, 21, 29, 47, 57, 63, 87, 133, 141, 171, 203, 261, 329, 361, 399, 423, 551, 609, 893, 987, 1083, 1197, 1363, 1653, 1827, 2527, 2679, 2961, 3249, 3857, 4089, 4959, 6251, 7581, 8037, 9541, 10469, 11571, 12267, 16967, 18753, 22743, 25897, 28623, 31407, 34713, 50901, 56259, 73283, 77691, 85869, 94221, 118769, 152703, 181279, 219849, 233073, 356307, 492043, 543837, 659547, 1068921, 1476129, 1631511, 3444301, 4428387, 10332903, 30998709]

約数ペア:

[(1, 30998709), (3, 10332903), (7, 4428387), (9, 3444301), (19, 1631511), (21, 1476129), (29, 1068921), (47, 659547), (57, 543837), (63, 492043), (87, 356307), (133, 233073), (141, 219849), (171, 181279), (203, 152703), (261, 118769), (329, 94221), (361, 85869), (399, 77691), (423, 73283), (551, 56259), (609, 50901), (893, 34713), (987, 31407), (1083, 28623), (1197, 25897), (1363, 22743), (1653, 18753), (1827, 16967), (2527, 12267), (2679, 11571), (2961, 10469), (3249, 9541), (3857, 8037), (4089, 7581), (4959, 6251)]