1213707789

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{7703}}^1$

素因数の和:7818

約数の個数: 48

約数和(自身を含む): 2086366464

約数和(自身を除く): 872658675

約数列:

[1, 3, 7, 9, 21, 41, 61, 63, 123, 183, 287, 369, 427, 549, 861, 1281, 2501, 2583, 3843, 7503, 7703, 17507, 22509, 23109, 52521, 53921, 69327, 157563, 161763, 315823, 469883, 485289, 947469, 1409649, 2210761, 2842407, 3289181, 4228947, 6632283, 9867543, 19265203, 19896849, 29602629, 57795609, 134856421, 173386827, 404569263, 1213707789]

約数ペア:

[(1, 1213707789), (3, 404569263), (7, 173386827), (9, 134856421), (21, 57795609), (41, 29602629), (61, 19896849), (63, 19265203), (123, 9867543), (183, 6632283), (287, 4228947), (369, 3289181), (427, 2842407), (549, 2210761), (861, 1409649), (1281, 947469), (2501, 485289), (2583, 469883), (3843, 315823), (7503, 161763), (7703, 157563), (17507, 69327), (22509, 53921), (23109, 52521)]