28697025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1163}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 55425024

約数和(自身を除く): 26727999

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 75, 105, 141, 175, 235, 329, 525, 705, 987, 1163, 1175, 1645, 3489, 3525, 4935, 5815, 8141, 8225, 17445, 24423, 24675, 29075, 40705, 54661, 87225, 122115, 163983, 203525, 273305, 382627, 610575, 819915, 1147881, 1366525, 1913135, 4099575, 5739405, 9565675, 28697025]

約数ペア:

[(1, 28697025), (3, 9565675), (5, 5739405), (7, 4099575), (15, 1913135), (21, 1366525), (25, 1147881), (35, 819915), (47, 610575), (75, 382627), (105, 273305), (141, 203525), (175, 163983), (235, 122115), (329, 87225), (525, 54661), (705, 40705), (987, 29075), (1163, 24675), (1175, 24423), (1645, 17445), (3489, 8225), (3525, 8141), (4935, 5815)]