71122947

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 114624000

約数和(自身を除く): 43501053

約数列:

[1, 3, 7, 19, 21, 57, 133, 397, 399, 449, 1191, 1347, 2779, 3143, 7543, 8337, 8531, 9429, 22629, 25593, 52801, 59717, 158403, 178253, 179151, 534759, 1247771, 3386807, 3743313, 10160421, 23707649, 71122947]

約数ペア:

[(1, 71122947), (3, 23707649), (7, 10160421), (19, 3743313), (21, 3386807), (57, 1247771), (133, 534759), (397, 179151), (399, 178253), (449, 158403), (1191, 59717), (1347, 52801), (2779, 25593), (3143, 22629), (7543, 9429), (8337, 8531)]