278380845

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{971}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 505844352

約数和(自身を除く): 227463507

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 277, 345, 831, 971, 1035, 1385, 2493, 2913, 4155, 4855, 6371, 8739, 12465, 14565, 19113, 22333, 31855, 43695, 57339, 66999, 95565, 111665, 200997, 268967, 286695, 334995, 806901, 1004985, 1344835, 2420703, 4034505, 6186241, 12103515, 18558723, 30931205, 55676169, 92793615, 278380845]

約数ペア:

[(1, 278380845), (3, 92793615), (5, 55676169), (9, 30931205), (15, 18558723), (23, 12103515), (45, 6186241), (69, 4034505), (115, 2420703), (207, 1344835), (277, 1004985), (345, 806901), (831, 334995), (971, 286695), (1035, 268967), (1385, 200997), (2493, 111665), (2913, 95565), (4155, 66999), (4855, 57339), (6371, 43695), (8739, 31855), (12465, 22333), (14565, 19113)]