28491507

素因数分解:

$3^6\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:76

約数の個数: 84

約数和(自身を含む): 52332840

約数和(自身を除く): 23841333

約数列:

[1, 3, 9, 11, 17, 19, 27, 33, 51, 57, 81, 99, 121, 153, 171, 187, 209, 243, 297, 323, 363, 459, 513, 561, 627, 729, 891, 969, 1089, 1377, 1539, 1683, 1881, 2057, 2299, 2673, 2907, 3267, 3553, 4131, 4617, 5049, 5643, 6171, 6897, 8019, 8721, 9801, 10659, 12393, 13851, 15147, 16929, 18513, 20691, 26163, 29403, 31977, 39083, 45441, 50787, 55539, 62073, 78489, 88209, 95931, 117249, 136323, 152361, 166617, 186219, 235467, 287793, 351747, 499851, 558657, 863379, 1055241, 1499553, 1675971, 2590137, 3165723, 9497169, 28491507]

約数ペア:

[(1, 28491507), (3, 9497169), (9, 3165723), (11, 2590137), (17, 1675971), (19, 1499553), (27, 1055241), (33, 863379), (51, 558657), (57, 499851), (81, 351747), (99, 287793), (121, 235467), (153, 186219), (171, 166617), (187, 152361), (209, 136323), (243, 117249), (297, 95931), (323, 88209), (363, 78489), (459, 62073), (513, 55539), (561, 50787), (627, 45441), (729, 39083), (891, 31977), (969, 29403), (1089, 26163), (1377, 20691), (1539, 18513), (1683, 16929), (1881, 15147), (2057, 13851), (2299, 12393), (2673, 10659), (2907, 9801), (3267, 8721), (3553, 8019), (4131, 6897), (4617, 6171), (5049, 5643)]