31271535

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5387}}^1$

素因数の和:5444

約数の個数: 32

約数和(自身を含む): 56897280

約数和(自身を除く): 25625745

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5387, 5805, 16161, 26935, 48483, 80805, 145449, 231641, 242415, 694923, 727245, 1158205, 2084769, 3474615, 6254307, 10423845, 31271535]

約数ペア:

[(1, 31271535), (3, 10423845), (5, 6254307), (9, 3474615), (15, 2084769), (27, 1158205), (43, 727245), (45, 694923), (129, 242415), (135, 231641), (215, 145449), (387, 80805), (645, 48483), (1161, 26935), (1935, 16161), (5387, 5805)]