1815707313

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{1289}}^1$

素因数の和:1591

約数の個数: 64

約数和(自身を含む): 3195072000

約数和(自身を除く): 1379364687

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 257, 261, 609, 771, 783, 1289, 1799, 1827, 2313, 3867, 5397, 5481, 6939, 7453, 9023, 11601, 16191, 22359, 27069, 34803, 37381, 48573, 52171, 67077, 81207, 112143, 156513, 201231, 243621, 261667, 331273, 336429, 469539, 785001, 993819, 1009287, 1408617, 2318911, 2355003, 2981457, 6956733, 7065009, 8944371, 9606917, 20870199, 28820751, 62610597, 67248419, 86462253, 201745257, 259386759, 605235771, 1815707313]

約数ペア:

[(1, 1815707313), (3, 605235771), (7, 259386759), (9, 201745257), (21, 86462253), (27, 67248419), (29, 62610597), (63, 28820751), (87, 20870199), (189, 9606917), (203, 8944371), (257, 7065009), (261, 6956733), (609, 2981457), (771, 2355003), (783, 2318911), (1289, 1408617), (1799, 1009287), (1827, 993819), (2313, 785001), (3867, 469539), (5397, 336429), (5481, 331273), (6939, 261667), (7453, 243621), (9023, 201231), (11601, 156513), (16191, 112143), (22359, 81207), (27069, 67077), (34803, 52171), (37381, 48573)]