28521801

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1$

素因数の和:316

約数の個数: 80

約数和(自身を含む): 56453760

約数和(自身を除く): 27931959

約数列:

[1, 3, 7, 9, 11, 17, 21, 27, 33, 51, 63, 77, 81, 99, 119, 153, 187, 189, 231, 269, 297, 357, 459, 561, 567, 693, 807, 891, 1071, 1309, 1377, 1683, 1883, 2079, 2421, 2959, 3213, 3927, 4573, 5049, 5649, 6237, 7263, 8877, 9639, 11781, 13719, 15147, 16947, 20713, 21789, 26631, 32011, 35343, 41157, 50303, 50841, 62139, 79893, 96033, 106029, 123471, 150909, 152523, 186417, 239679, 288099, 352121, 370413, 452727, 559251, 864297, 1056363, 1358181, 1677753, 2592891, 3169089, 4074543, 9507267, 28521801]

約数ペア:

[(1, 28521801), (3, 9507267), (7, 4074543), (9, 3169089), (11, 2592891), (17, 1677753), (21, 1358181), (27, 1056363), (33, 864297), (51, 559251), (63, 452727), (77, 370413), (81, 352121), (99, 288099), (119, 239679), (153, 186417), (187, 152523), (189, 150909), (231, 123471), (269, 106029), (297, 96033), (357, 79893), (459, 62139), (561, 50841), (567, 50303), (693, 41157), (807, 35343), (891, 32011), (1071, 26631), (1309, 21789), (1377, 20713), (1683, 16947), (1883, 15147), (2079, 13719), (2421, 11781), (2959, 9639), (3213, 8877), (3927, 7263), (4573, 6237), (5049, 5649)]