291015

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 524160

約数和(自身を除く): 233145

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 223, 261, 435, 669, 1115, 1305, 2007, 3345, 6467, 10035, 19401, 32335, 58203, 97005, 291015]

約数ペア:

[(1, 291015), (3, 97005), (5, 58203), (9, 32335), (15, 19401), (29, 10035), (45, 6467), (87, 3345), (145, 2007), (223, 1305), (261, 1115), (435, 669)]