220123197

素因数分解:

$3^3\times 7^1\times {\mathrm{61}}^2\times {\mathrm{313}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 380115840

約数和(自身を除く): 159992643

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 183, 189, 313, 427, 549, 939, 1281, 1647, 2191, 2817, 3721, 3843, 6573, 8451, 11163, 11529, 19093, 19719, 26047, 33489, 57279, 59157, 78141, 100467, 133651, 171837, 234423, 400953, 515511, 703269, 1164673, 1202859, 3494019, 3608577, 8152711, 10482057, 24458133, 31446171, 73374399, 220123197]

約数ペア:

[(1, 220123197), (3, 73374399), (7, 31446171), (9, 24458133), (21, 10482057), (27, 8152711), (61, 3608577), (63, 3494019), (183, 1202859), (189, 1164673), (313, 703269), (427, 515511), (549, 400953), (939, 234423), (1281, 171837), (1647, 133651), (2191, 100467), (2817, 78141), (3721, 59157), (3843, 57279), (6573, 33489), (8451, 26047), (11163, 19719), (11529, 19093)]