20161749987

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{1621}}^1\times {\mathrm{4561}}^1$

素因数の和:6292

約数の個数: 32

約数和(自身を含む): 30190221120

約数和(自身を除く): 10028471133

約数列:

[1, 3, 9, 27, 101, 303, 909, 1621, 2727, 4561, 4863, 13683, 14589, 41049, 43767, 123147, 163721, 460661, 491163, 1381983, 1473489, 4145949, 4420467, 7393381, 12437847, 22180143, 66540429, 199621287, 746731481, 2240194443, 6720583329, 20161749987]

約数ペア:

[(1, 20161749987), (3, 6720583329), (9, 2240194443), (27, 746731481), (101, 199621287), (303, 66540429), (909, 22180143), (1621, 12437847), (2727, 7393381), (4561, 4420467), (4863, 4145949), (13683, 1473489), (14589, 1381983), (41049, 491163), (43767, 460661), (123147, 163721)]