215545197

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{8231}}^1$

素因数の和:8313

約数の個数: 32

約数和(自身を含む): 347719680

約数和(自身を除く): 132174483

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1247, 3741, 8231, 8729, 24693, 26187, 57617, 172851, 238699, 353933, 716097, 1061799, 1670893, 2477531, 5012679, 7432593, 10264057, 30792171, 71848399, 215545197]

約数ペア:

[(1, 215545197), (3, 71848399), (7, 30792171), (21, 10264057), (29, 7432593), (43, 5012679), (87, 2477531), (129, 1670893), (203, 1061799), (301, 716097), (609, 353933), (903, 238699), (1247, 172851), (3741, 57617), (8231, 26187), (8729, 24693)]