1520020749

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 2301272064

約数和(自身を除く): 781251315

約数列:

[1, 3, 13, 39, 47, 83, 97, 103, 141, 249, 291, 309, 611, 1079, 1261, 1339, 1833, 3237, 3783, 3901, 4017, 4559, 4841, 8051, 8549, 9991, 11703, 13677, 14523, 24153, 25647, 29973, 50713, 59267, 62933, 104663, 111137, 129883, 152139, 177801, 188799, 313989, 333411, 378397, 389649, 401803, 469577, 829253, 1135191, 1205409, 1408731, 2487759, 4919161, 5223439, 6104501, 10780289, 14757483, 15670317, 18313503, 32340867, 38974891, 116924673, 506673583, 1520020749]

約数ペア:

[(1, 1520020749), (3, 506673583), (13, 116924673), (39, 38974891), (47, 32340867), (83, 18313503), (97, 15670317), (103, 14757483), (141, 10780289), (249, 6104501), (291, 5223439), (309, 4919161), (611, 2487759), (1079, 1408731), (1261, 1205409), (1339, 1135191), (1833, 829253), (3237, 469577), (3783, 401803), (3901, 389649), (4017, 378397), (4559, 333411), (4841, 313989), (8051, 188799), (8549, 177801), (9991, 152139), (11703, 129883), (13677, 111137), (14523, 104663), (24153, 62933), (25647, 59267), (29973, 50713)]