71743791

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1511}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 124104960

約数和(自身を除く): 52361169

約数列:

[1, 3, 7, 17, 19, 21, 49, 51, 57, 119, 133, 147, 323, 357, 399, 833, 931, 969, 1511, 2261, 2499, 2793, 4533, 6783, 10577, 15827, 25687, 28709, 31731, 47481, 74039, 77061, 86127, 179809, 200963, 222117, 488053, 539427, 602889, 1258663, 1406741, 1464159, 3416371, 3775989, 4220223, 10249113, 23914597, 71743791]

約数ペア:

[(1, 71743791), (3, 23914597), (7, 10249113), (17, 4220223), (19, 3775989), (21, 3416371), (49, 1464159), (51, 1406741), (57, 1258663), (119, 602889), (133, 539427), (147, 488053), (323, 222117), (357, 200963), (399, 179809), (833, 86127), (931, 77061), (969, 74039), (1511, 47481), (2261, 31731), (2499, 28709), (2793, 25687), (4533, 15827), (6783, 10577)]