31198419

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7177}}^1$

素因数の和:7216

約数の個数: 32

約数和(自身を含む): 55127040

約数和(自身を除く): 23928621

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 7177, 21531, 50239, 64593, 150717, 165071, 193779, 452151, 495213, 1155497, 1356453, 1485639, 3466491, 4456917, 10399473, 31198419]

約数ペア:

[(1, 31198419), (3, 10399473), (7, 4456917), (9, 3466491), (21, 1485639), (23, 1356453), (27, 1155497), (63, 495213), (69, 452151), (161, 193779), (189, 165071), (207, 150717), (483, 64593), (621, 50239), (1449, 21531), (4347, 7177)]