64686069

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{317}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 111121920

約数和(自身を除く): 46435851

約数列:

[1, 3, 7, 9, 21, 41, 63, 79, 123, 237, 287, 317, 369, 553, 711, 861, 951, 1659, 2219, 2583, 2853, 3239, 4977, 6657, 9717, 12997, 19971, 22673, 25043, 29151, 38991, 68019, 75129, 90979, 116973, 175301, 204057, 225387, 272937, 525903, 818811, 1026763, 1577709, 3080289, 7187341, 9240867, 21562023, 64686069]

約数ペア:

[(1, 64686069), (3, 21562023), (7, 9240867), (9, 7187341), (21, 3080289), (41, 1577709), (63, 1026763), (79, 818811), (123, 525903), (237, 272937), (287, 225387), (317, 204057), (369, 175301), (553, 116973), (711, 90979), (861, 75129), (951, 68019), (1659, 38991), (2219, 29151), (2583, 25043), (2853, 22673), (3239, 19971), (4977, 12997), (6657, 9717)]