1993007997

素因数分解:

$3^6\times {\mathrm{37}}^2\times {\mathrm{1997}}^1$

素因数の和:2089

約数の個数: 42

約数和(自身を含む): 3072626298

約数和(自身を除く): 1079618301

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 729, 999, 1369, 1997, 2997, 4107, 5991, 8991, 12321, 17973, 26973, 36963, 53919, 73889, 110889, 161757, 221667, 332667, 485271, 665001, 998001, 1455813, 1995003, 2733893, 5985009, 8201679, 17955027, 24605037, 53865081, 73815111, 221445333, 664335999, 1993007997]

約数ペア:

[(1, 1993007997), (3, 664335999), (9, 221445333), (27, 73815111), (37, 53865081), (81, 24605037), (111, 17955027), (243, 8201679), (333, 5985009), (729, 2733893), (999, 1995003), (1369, 1455813), (1997, 998001), (2997, 665001), (4107, 485271), (5991, 332667), (8991, 221667), (12321, 161757), (17973, 110889), (26973, 73889), (36963, 53919)]