520124829

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 878530560

約数和(自身を除く): 358405731

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 157, 161, 361, 399, 437, 471, 483, 1083, 1099, 1311, 2527, 2983, 3059, 3297, 3611, 6859, 7581, 8303, 8949, 9177, 10833, 20577, 20881, 24909, 25277, 48013, 56677, 58121, 62643, 68609, 75831, 144039, 157757, 170031, 174363, 205827, 396739, 473271, 480263, 1076863, 1104299, 1190217, 1303571, 1440789, 3230589, 3312897, 3910713, 7538041, 9124997, 22614123, 24767849, 27374991, 74303547, 173374943, 520124829]

約数ペア:

[(1, 520124829), (3, 173374943), (7, 74303547), (19, 27374991), (21, 24767849), (23, 22614123), (57, 9124997), (69, 7538041), (133, 3910713), (157, 3312897), (161, 3230589), (361, 1440789), (399, 1303571), (437, 1190217), (471, 1104299), (483, 1076863), (1083, 480263), (1099, 473271), (1311, 396739), (2527, 205827), (2983, 174363), (3059, 170031), (3297, 157757), (3611, 144039), (6859, 75831), (7581, 68609), (8303, 62643), (8949, 58121), (9177, 56677), (10833, 48013), (20577, 25277), (20881, 24909)]