223401981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20959}}^1$

素因数の和:21009

約数の個数: 32

約数和(自身を含む): 362188800

約数和(自身を除く): 138786819

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 3553, 10659, 20959, 62877, 230549, 356303, 398221, 691647, 1068909, 1194663, 3919333, 4380431, 6769757, 11757999, 13141293, 20309271, 74467327, 223401981]

約数ペア:

[(1, 223401981), (3, 74467327), (11, 20309271), (17, 13141293), (19, 11757999), (33, 6769757), (51, 4380431), (57, 3919333), (187, 1194663), (209, 1068909), (323, 691647), (561, 398221), (627, 356303), (969, 230549), (3553, 62877), (10659, 20959)]