71777979

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87641}}^1$

素因数の和:87667

約数の個数: 24

約数和(自身を含む): 127606752

約数和(自身を除く): 55828773

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 87641, 262923, 613487, 788769, 1139333, 1840461, 3417999, 5521383, 7975331, 10253997, 23925993, 71777979]

約数ペア:

[(1, 71777979), (3, 23925993), (7, 10253997), (9, 7975331), (13, 5521383), (21, 3417999), (39, 1840461), (63, 1139333), (91, 788769), (117, 613487), (273, 262923), (819, 87641)]