1888892217

素因数分解:

$3^8\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:343

約数の個数: 72

約数和(自身を含む): 3015597312

約数和(自身を除く): 1126705095

約数列:

[1, 3, 9, 27, 31, 37, 81, 93, 111, 243, 251, 279, 333, 729, 753, 837, 999, 1147, 2187, 2259, 2511, 2997, 3441, 6561, 6777, 7533, 7781, 8991, 9287, 10323, 20331, 22599, 23343, 26973, 27861, 30969, 60993, 67797, 70029, 80919, 83583, 92907, 182979, 203391, 210087, 242757, 250749, 278721, 287897, 548937, 630261, 752247, 836163, 863691, 1646811, 1890783, 2256741, 2508489, 2591073, 5672349, 6770223, 7525467, 7773219, 17017047, 20310669, 23319657, 51051141, 60932007, 69958971, 209876913, 629630739, 1888892217]

約数ペア:

[(1, 1888892217), (3, 629630739), (9, 209876913), (27, 69958971), (31, 60932007), (37, 51051141), (81, 23319657), (93, 20310669), (111, 17017047), (243, 7773219), (251, 7525467), (279, 6770223), (333, 5672349), (729, 2591073), (753, 2508489), (837, 2256741), (999, 1890783), (1147, 1646811), (2187, 863691), (2259, 836163), (2511, 752247), (2997, 630261), (3441, 548937), (6561, 287897), (6777, 278721), (7533, 250749), (7781, 242757), (8991, 210087), (9287, 203391), (10323, 182979), (20331, 92907), (22599, 83583), (23343, 80919), (26973, 70029), (27861, 67797), (30969, 60993)]