38451969

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 58851840

約数和(自身を除く): 20399871

約数列:

[1, 3, 9, 27, 47, 141, 157, 193, 423, 471, 579, 1269, 1413, 1737, 4239, 5211, 7379, 9071, 22137, 27213, 30301, 66411, 81639, 90903, 199233, 244917, 272709, 818127, 1424147, 4272441, 12817323, 38451969]

約数ペア:

[(1, 38451969), (3, 12817323), (9, 4272441), (27, 1424147), (47, 818127), (141, 272709), (157, 244917), (193, 199233), (423, 90903), (471, 81639), (579, 66411), (1269, 30301), (1413, 27213), (1737, 22137), (4239, 9071), (5211, 7379)]