15977493

素因数分解:

$3^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:157

約数の個数: 56

約数和(自身を含む): 28540416

約数和(自身を除く): 12562923

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 101, 189, 217, 243, 279, 303, 567, 651, 707, 729, 837, 909, 1701, 1953, 2121, 2511, 2727, 3131, 5103, 5859, 6363, 7533, 8181, 9393, 17577, 19089, 21917, 22599, 24543, 28179, 52731, 57267, 65751, 73629, 84537, 158193, 171801, 197253, 253611, 515403, 591759, 760833, 1775277, 2282499, 5325831, 15977493]

約数ペア:

[(1, 15977493), (3, 5325831), (7, 2282499), (9, 1775277), (21, 760833), (27, 591759), (31, 515403), (63, 253611), (81, 197253), (93, 171801), (101, 158193), (189, 84537), (217, 73629), (243, 65751), (279, 57267), (303, 52731), (567, 28179), (651, 24543), (707, 22599), (729, 21917), (837, 19089), (909, 17577), (1701, 9393), (1953, 8181), (2121, 7533), (2511, 6363), (2727, 5859), (3131, 5103)]