28962213

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2503}}^1$

素因数の和:2561

約数の個数: 32

約数和(自身を含む): 48076800

約数和(自身を除く): 19114587

約数列:

[1, 3, 7, 19, 21, 29, 57, 87, 133, 203, 399, 551, 609, 1653, 2503, 3857, 7509, 11571, 17521, 47557, 52563, 72587, 142671, 217761, 332899, 508109, 998697, 1379153, 1524327, 4137459, 9654071, 28962213]

約数ペア:

[(1, 28962213), (3, 9654071), (7, 4137459), (19, 1524327), (21, 1379153), (29, 998697), (57, 508109), (87, 332899), (133, 217761), (203, 142671), (399, 72587), (551, 52563), (609, 47557), (1653, 17521), (2503, 11571), (3857, 7509)]