29878821

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 50976000

約数和(自身を除く): 21097179

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 1043, 1061, 1341, 3129, 3183, 4023, 7427, 9387, 9549, 22281, 28161, 28647, 66843, 158089, 200529, 474267, 1106623, 1422801, 3319869, 4268403, 9959607, 29878821]

約数ペア:

[(1, 29878821), (3, 9959607), (7, 4268403), (9, 3319869), (21, 1422801), (27, 1106623), (63, 474267), (149, 200529), (189, 158089), (447, 66843), (1043, 28647), (1061, 28161), (1341, 22281), (3129, 9549), (3183, 9387), (4023, 7427)]