27983115

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 51498720

約数和(自身を除く): 23515605

約数列:

[1, 3, 5, 9, 15, 29, 41, 45, 87, 123, 145, 205, 261, 369, 435, 523, 615, 1189, 1305, 1569, 1845, 2615, 3567, 4707, 5945, 7845, 10701, 15167, 17835, 21443, 23535, 45501, 53505, 64329, 75835, 107215, 136503, 192987, 227505, 321645, 621847, 682515, 964935, 1865541, 3109235, 5596623, 9327705, 27983115]

約数ペア:

[(1, 27983115), (3, 9327705), (5, 5596623), (9, 3109235), (15, 1865541), (29, 964935), (41, 682515), (45, 621847), (87, 321645), (123, 227505), (145, 192987), (205, 136503), (261, 107215), (369, 75835), (435, 64329), (523, 53505), (615, 45501), (1189, 23535), (1305, 21443), (1569, 17835), (1845, 15167), (2615, 10701), (3567, 7845), (4707, 5945)]