28864941

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 45219840

約数和(自身を除く): 16354899

約数列:

[1, 3, 7, 21, 79, 127, 137, 237, 381, 411, 553, 889, 959, 1659, 2667, 2877, 10033, 10823, 17399, 30099, 32469, 52197, 70231, 75761, 121793, 210693, 227283, 365379, 1374521, 4123563, 9621647, 28864941]

約数ペア:

[(1, 28864941), (3, 9621647), (7, 4123563), (21, 1374521), (79, 365379), (127, 227283), (137, 210693), (237, 121793), (381, 75761), (411, 70231), (553, 52197), (889, 32469), (959, 30099), (1659, 17399), (2667, 10823), (2877, 10033)]