180181521

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{577}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 299177424

約数和(自身を除く): 118995903

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 157, 221, 471, 577, 663, 1413, 1731, 1989, 2041, 2669, 5193, 6123, 7501, 8007, 9809, 18369, 22503, 24021, 29427, 34697, 67509, 88281, 90589, 104091, 127517, 271767, 312273, 382551, 815301, 1147653, 1177657, 1540013, 3532971, 4620039, 10598913, 13860117, 20020169, 60060507, 180181521]

約数ペア:

[(1, 180181521), (3, 60060507), (9, 20020169), (13, 13860117), (17, 10598913), (39, 4620039), (51, 3532971), (117, 1540013), (153, 1177657), (157, 1147653), (221, 815301), (471, 382551), (577, 312273), (663, 271767), (1413, 127517), (1731, 104091), (1989, 90589), (2041, 88281), (2669, 67509), (5193, 34697), (6123, 29427), (7501, 24021), (8007, 22503), (9809, 18369)]