87340239

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 150096960

約数和(自身を除く): 62756721

約数列:

[1, 3, 7, 9, 21, 37, 63, 89, 111, 259, 267, 333, 421, 623, 777, 801, 1263, 1869, 2331, 2947, 3293, 3789, 5607, 8841, 9879, 15577, 23051, 26523, 29637, 37469, 46731, 69153, 109039, 112407, 140193, 207459, 262283, 327117, 337221, 786849, 981351, 1386353, 2360547, 4159059, 9704471, 12477177, 29113413, 87340239]

約数ペア:

[(1, 87340239), (3, 29113413), (7, 12477177), (9, 9704471), (21, 4159059), (37, 2360547), (63, 1386353), (89, 981351), (111, 786849), (259, 337221), (267, 327117), (333, 262283), (421, 207459), (623, 140193), (777, 112407), (801, 109039), (1263, 69153), (1869, 46731), (2331, 37469), (2947, 29637), (3293, 26523), (3789, 23051), (5607, 15577), (8841, 9879)]