1390215897

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{47051}}^1$

素因数の和:47138

約数の個数: 36

約数和(自身を含む): 2370856176

約数和(自身を除く): 980640279

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 147, 201, 441, 469, 603, 1407, 3283, 4221, 9849, 29547, 47051, 141153, 329357, 423459, 988071, 2305499, 2964213, 3152417, 6916497, 9457251, 20749491, 22066919, 28371753, 66200757, 154468433, 198602271, 463405299, 1390215897]

約数ペア:

[(1, 1390215897), (3, 463405299), (7, 198602271), (9, 154468433), (21, 66200757), (49, 28371753), (63, 22066919), (67, 20749491), (147, 9457251), (201, 6916497), (441, 3152417), (469, 2964213), (603, 2305499), (1407, 988071), (3283, 423459), (4221, 329357), (9849, 141153), (29547, 47051)]