51816804921

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{17117}}^1$

素因数の和:17436

約数の個数: 80

約数和(自身を含む): 93456063360

約数和(自身を除く): 41639258439

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 281, 399, 513, 567, 843, 1197, 1539, 1967, 2529, 3591, 5339, 5901, 7587, 10773, 16017, 17117, 17703, 22761, 37373, 48051, 51351, 53109, 112119, 119819, 144153, 154053, 159327, 325223, 336357, 359457, 432459, 462159, 975669, 1009071, 1078371, 1386477, 2276561, 2927007, 3027213, 3235113, 4809877, 6829683, 8781021, 9705339, 14429631, 20489049, 26343063, 33669139, 43288893, 61467147, 91387663, 101007417, 129866679, 184401441, 274162989, 303022251, 389600037, 639713641, 822488967, 909066753, 1919140923, 2467466901, 2727200259, 5757422769, 7402400703, 17272268307, 51816804921]

約数ペア:

[(1, 51816804921), (3, 17272268307), (7, 7402400703), (9, 5757422769), (19, 2727200259), (21, 2467466901), (27, 1919140923), (57, 909066753), (63, 822488967), (81, 639713641), (133, 389600037), (171, 303022251), (189, 274162989), (281, 184401441), (399, 129866679), (513, 101007417), (567, 91387663), (843, 61467147), (1197, 43288893), (1539, 33669139), (1967, 26343063), (2529, 20489049), (3591, 14429631), (5339, 9705339), (5901, 8781021), (7587, 6829683), (10773, 4809877), (16017, 3235113), (17117, 3027213), (17703, 2927007), (22761, 2276561), (37373, 1386477), (48051, 1078371), (51351, 1009071), (53109, 975669), (112119, 462159), (119819, 432459), (144153, 359457), (154053, 336357), (159327, 325223)]