28115073

素因数分解:

$3^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:371

約数の個数: 48

約数和(自身を含む): 49248000

約数和(自身を除く): 21132927

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 147, 189, 237, 269, 441, 553, 711, 807, 1323, 1659, 1883, 2133, 2421, 3871, 4977, 5649, 7263, 11613, 13181, 14931, 16947, 21251, 34839, 39543, 50841, 63753, 104517, 118629, 148757, 191259, 355887, 446271, 573777, 1041299, 1338813, 3123897, 4016439, 9371691, 28115073]

約数ペア:

[(1, 28115073), (3, 9371691), (7, 4016439), (9, 3123897), (21, 1338813), (27, 1041299), (49, 573777), (63, 446271), (79, 355887), (147, 191259), (189, 148757), (237, 118629), (269, 104517), (441, 63753), (553, 50841), (711, 39543), (807, 34839), (1323, 21251), (1659, 16947), (1883, 14931), (2133, 13181), (2421, 11613), (3871, 7263), (4977, 5649)]