15661428111

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1409}}^1\times {\mathrm{2557}}^1$

素因数の和:4005

約数の個数: 64

約数和(自身を含む): 27700070400

約数和(自身を除く): 12038642289

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1409, 1449, 2557, 4227, 4347, 7671, 9863, 12681, 17899, 23013, 29589, 32407, 38043, 53697, 58811, 69039, 88767, 97221, 161091, 176433, 226849, 266301, 291663, 411677, 483273, 529299, 680547, 874989, 1235031, 1587897, 2041641, 3602813, 3705093, 6124923, 10808439, 11115279, 25219691, 32425317, 75659073, 82864699, 97275951, 226977219, 248594097, 580052893, 680931657, 745782291, 1740158679, 2237346873, 5220476037, 15661428111]

約数ペア:

[(1, 15661428111), (3, 5220476037), (7, 2237346873), (9, 1740158679), (21, 745782291), (23, 680931657), (27, 580052893), (63, 248594097), (69, 226977219), (161, 97275951), (189, 82864699), (207, 75659073), (483, 32425317), (621, 25219691), (1409, 11115279), (1449, 10808439), (2557, 6124923), (4227, 3705093), (4347, 3602813), (7671, 2041641), (9863, 1587897), (12681, 1235031), (17899, 874989), (23013, 680547), (29589, 529299), (32407, 483273), (38043, 411677), (53697, 291663), (58811, 266301), (69039, 226849), (88767, 176433), (97221, 161091)]