31103631

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 51105600

約数和(自身を除く): 20001969

約数列:

[1, 3, 9, 13, 29, 39, 87, 89, 103, 117, 261, 267, 309, 377, 801, 927, 1131, 1157, 1339, 2581, 2987, 3393, 3471, 4017, 7743, 8961, 9167, 10413, 12051, 23229, 26883, 27501, 33553, 38831, 82503, 100659, 116493, 119171, 265843, 301977, 349479, 357513, 797529, 1072539, 2392587, 3455959, 10367877, 31103631]

約数ペア:

[(1, 31103631), (3, 10367877), (9, 3455959), (13, 2392587), (29, 1072539), (39, 797529), (87, 357513), (89, 349479), (103, 301977), (117, 265843), (261, 119171), (267, 116493), (309, 100659), (377, 82503), (801, 38831), (927, 33553), (1131, 27501), (1157, 26883), (1339, 23229), (2581, 12051), (2987, 10413), (3393, 9167), (3471, 8961), (4017, 7743)]