291217437

素因数分解:

$3^4\times 7^2\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:572

約数の個数: 60

約数和(自身を含む): 509826240

約数和(自身を除く): 218608803

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 239, 307, 441, 567, 717, 921, 1323, 1673, 2149, 2151, 2763, 3969, 5019, 6447, 6453, 8289, 11711, 15043, 15057, 19341, 19359, 24867, 35133, 45129, 45171, 58023, 73373, 105399, 135387, 135513, 174069, 220119, 316197, 406161, 513611, 660357, 948591, 1218483, 1540833, 1981071, 3595277, 4622499, 5943213, 10785831, 13867497, 32357493, 41602491, 97072479, 291217437]

約数ペア:

[(1, 291217437), (3, 97072479), (7, 41602491), (9, 32357493), (21, 13867497), (27, 10785831), (49, 5943213), (63, 4622499), (81, 3595277), (147, 1981071), (189, 1540833), (239, 1218483), (307, 948591), (441, 660357), (567, 513611), (717, 406161), (921, 316197), (1323, 220119), (1673, 174069), (2149, 135513), (2151, 135387), (2763, 105399), (3969, 73373), (5019, 58023), (6447, 45171), (6453, 45129), (8289, 35133), (11711, 24867), (15043, 19359), (15057, 19341)]