213874101

素因数分解:

$3^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{13007}}^1$

素因数の和:13055

約数の個数: 40

約数和(自身を含む): 377752320

約数和(自身を除く): 163878219

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 189, 203, 261, 567, 609, 783, 1827, 2349, 5481, 13007, 16443, 39021, 91049, 117063, 273147, 351189, 377203, 819441, 1053567, 1131609, 2458323, 2640421, 3394827, 7374969, 7921263, 10184481, 23763789, 30553443, 71291367, 213874101]

約数ペア:

[(1, 213874101), (3, 71291367), (7, 30553443), (9, 23763789), (21, 10184481), (27, 7921263), (29, 7374969), (63, 3394827), (81, 2640421), (87, 2458323), (189, 1131609), (203, 1053567), (261, 819441), (567, 377203), (609, 351189), (783, 273147), (1827, 117063), (2349, 91049), (5481, 39021), (13007, 16443)]