221851695

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59879}}^1$

素因数の和:59919

約数の個数: 32

約数和(自身を含む): 402393600

約数和(自身を除く): 180541905

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 59879, 179637, 299395, 778427, 898185, 1137701, 2335281, 3413103, 3892135, 5688505, 11676405, 14790113, 17065515, 44370339, 73950565, 221851695]

約数ペア:

[(1, 221851695), (3, 73950565), (5, 44370339), (13, 17065515), (15, 14790113), (19, 11676405), (39, 5688505), (57, 3892135), (65, 3413103), (95, 2335281), (195, 1137701), (247, 898185), (285, 778427), (741, 299395), (1235, 179637), (3705, 59879)]