28722015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4799}}^1$

素因数の和:4836

約数の個数: 48

約数和(自身を含む): 59904000

約数和(自身を除く): 31181985

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 4799, 5985, 14397, 23995, 33593, 43191, 71985, 91181, 100779, 167965, 215955, 273543, 302337, 455905, 503895, 638267, 820629, 1367715, 1511685, 1914801, 3191335, 4103145, 5744403, 9574005, 28722015]

約数ペア:

[(1, 28722015), (3, 9574005), (5, 5744403), (7, 4103145), (9, 3191335), (15, 1914801), (19, 1511685), (21, 1367715), (35, 820629), (45, 638267), (57, 503895), (63, 455905), (95, 302337), (105, 273543), (133, 215955), (171, 167965), (285, 100779), (315, 91181), (399, 71985), (665, 43191), (855, 33593), (1197, 23995), (1995, 14397), (4799, 5985)]