641277

素因数分解:

$3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:64

約数の個数: 48

約数和(自身を含む): 1223040

約数和(自身を除く): 581763

約数列:

[1, 3, 7, 9, 13, 21, 27, 29, 39, 63, 81, 87, 91, 117, 189, 203, 243, 261, 273, 351, 377, 567, 609, 783, 819, 1053, 1131, 1701, 1827, 2349, 2457, 2639, 3159, 3393, 5481, 7047, 7371, 7917, 10179, 16443, 22113, 23751, 30537, 49329, 71253, 91611, 213759, 641277]

約数ペア:

[(1, 641277), (3, 213759), (7, 91611), (9, 71253), (13, 49329), (21, 30537), (27, 23751), (29, 22113), (39, 16443), (63, 10179), (81, 7917), (87, 7371), (91, 7047), (117, 5481), (189, 3393), (203, 3159), (243, 2639), (261, 2457), (273, 2349), (351, 1827), (377, 1701), (567, 1131), (609, 1053), (783, 819)]