131904513

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 225283968

約数和(自身を除く): 93379455

約数列:

[1, 3, 9, 13, 17, 39, 47, 51, 83, 117, 141, 153, 221, 249, 289, 423, 611, 663, 747, 799, 867, 1079, 1411, 1833, 1989, 2397, 2601, 3237, 3757, 3901, 4233, 5499, 7191, 9711, 10387, 11271, 11703, 12699, 13583, 18343, 23987, 31161, 33813, 35109, 40749, 50713, 55029, 66317, 71961, 93483, 122247, 152139, 165087, 176579, 198951, 215883, 311831, 456417, 529737, 596853, 862121, 935493, 1127389, 1589211, 2586363, 2806479, 3382167, 7759089, 10146501, 14656057, 43968171, 131904513]

約数ペア:

[(1, 131904513), (3, 43968171), (9, 14656057), (13, 10146501), (17, 7759089), (39, 3382167), (47, 2806479), (51, 2586363), (83, 1589211), (117, 1127389), (141, 935493), (153, 862121), (221, 596853), (249, 529737), (289, 456417), (423, 311831), (611, 215883), (663, 198951), (747, 176579), (799, 165087), (867, 152139), (1079, 122247), (1411, 93483), (1833, 71961), (1989, 66317), (2397, 55029), (2601, 50713), (3237, 40749), (3757, 35109), (3901, 33813), (4233, 31161), (5499, 23987), (7191, 18343), (9711, 13583), (10387, 12699), (11271, 11703)]