919179981

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{947}}^1$

素因数の和:1503

約数の個数: 40

約数和(自身を含む): 1437061824

約数和(自身を除く): 517881843

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 521, 621, 947, 1563, 1863, 2841, 4689, 8523, 11983, 14067, 21781, 25569, 35949, 42201, 65343, 76707, 107847, 196029, 323541, 493387, 588087, 970623, 1480161, 1764261, 4440483, 11347901, 13321449, 34043703, 39964347, 102131109, 306393327, 919179981]

約数ペア:

[(1, 919179981), (3, 306393327), (9, 102131109), (23, 39964347), (27, 34043703), (69, 13321449), (81, 11347901), (207, 4440483), (521, 1764261), (621, 1480161), (947, 970623), (1563, 588087), (1863, 493387), (2841, 323541), (4689, 196029), (8523, 107847), (11983, 76707), (14067, 65343), (21781, 42201), (25569, 35949)]