821465463

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{929}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 1399910400

約数和(自身を除く): 578444937

約数列:

[1, 3, 7, 13, 21, 39, 41, 79, 91, 123, 237, 273, 287, 533, 553, 861, 929, 1027, 1599, 1659, 2787, 3081, 3239, 3731, 6503, 7189, 9717, 11193, 12077, 19509, 21567, 22673, 36231, 38089, 42107, 68019, 73391, 84539, 114267, 126321, 220173, 253617, 266623, 294749, 495157, 513737, 799869, 884247, 954083, 1485471, 1541211, 2862249, 3009031, 3466099, 6678581, 9027093, 10398297, 20035743, 21063217, 39117403, 63189651, 117352209, 273821821, 821465463]

約数ペア:

[(1, 821465463), (3, 273821821), (7, 117352209), (13, 63189651), (21, 39117403), (39, 21063217), (41, 20035743), (79, 10398297), (91, 9027093), (123, 6678581), (237, 3466099), (273, 3009031), (287, 2862249), (533, 1541211), (553, 1485471), (861, 954083), (929, 884247), (1027, 799869), (1599, 513737), (1659, 495157), (2787, 294749), (3081, 266623), (3239, 253617), (3731, 220173), (6503, 126321), (7189, 114267), (9717, 84539), (11193, 73391), (12077, 68019), (19509, 42107), (21567, 38089), (22673, 36231)]