28665975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29401}}^1$

素因数の和:29427

約数の個数: 24

約数和(自身を含む): 51041872

約数和(自身を除く): 22375897

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 29401, 88203, 147005, 382213, 441015, 735025, 1146639, 1911065, 2205075, 5733195, 9555325, 28665975]

約数ペア:

[(1, 28665975), (3, 9555325), (5, 5733195), (13, 2205075), (15, 1911065), (25, 1146639), (39, 735025), (65, 441015), (75, 382213), (195, 147005), (325, 88203), (975, 29401)]