1298997

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 2323200

約数和(自身を除く): 1024203

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 79, 81, 87, 189, 203, 237, 261, 553, 567, 609, 711, 783, 1659, 1827, 2133, 2291, 2349, 4977, 5481, 6399, 6873, 14931, 16037, 16443, 20619, 44793, 48111, 61857, 144333, 185571, 432999, 1298997]

約数ペア:

[(1, 1298997), (3, 432999), (7, 185571), (9, 144333), (21, 61857), (27, 48111), (29, 44793), (63, 20619), (79, 16443), (81, 16037), (87, 14931), (189, 6873), (203, 6399), (237, 5481), (261, 4977), (553, 2349), (567, 2291), (609, 2133), (711, 1827), (783, 1659)]