13015971

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:193

約数の個数: 40

約数和(自身を含む): 20635824

約数和(自身を除く): 7619853

約数列:

[1, 3, 9, 27, 37, 43, 81, 101, 111, 129, 303, 333, 387, 909, 999, 1161, 1591, 2727, 2997, 3483, 3737, 4343, 4773, 8181, 11211, 13029, 14319, 33633, 39087, 42957, 100899, 117261, 128871, 160691, 302697, 351783, 482073, 1446219, 4338657, 13015971]

約数ペア:

[(1, 13015971), (3, 4338657), (9, 1446219), (27, 482073), (37, 351783), (43, 302697), (81, 160691), (101, 128871), (111, 117261), (129, 100899), (303, 42957), (333, 39087), (387, 33633), (909, 14319), (999, 13029), (1161, 11211), (1591, 8181), (2727, 4773), (2997, 4343), (3483, 3737)]