40392261

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 72508800

約数和(自身を除く): 32116539

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 149, 273, 331, 447, 819, 993, 1043, 1341, 1937, 2317, 2979, 3129, 4303, 5811, 6951, 9387, 12909, 13559, 17433, 20853, 30121, 38727, 40677, 49319, 90363, 122031, 147957, 271089, 345233, 443871, 641147, 1035699, 1923441, 3107097, 4488029, 5770323, 13464087, 40392261]

約数ペア:

[(1, 40392261), (3, 13464087), (7, 5770323), (9, 4488029), (13, 3107097), (21, 1923441), (39, 1035699), (63, 641147), (91, 443871), (117, 345233), (149, 271089), (273, 147957), (331, 122031), (447, 90363), (819, 49319), (993, 40677), (1043, 38727), (1341, 30121), (1937, 20853), (2317, 17433), (2979, 13559), (3129, 12909), (4303, 9387), (5811, 6951)]