203430147

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 291686400

約数和(自身を除く): 88256253

約数列:

[1, 3, 23, 47, 69, 141, 149, 421, 447, 1081, 1263, 3243, 3427, 7003, 9683, 10281, 19787, 21009, 29049, 59361, 62729, 161069, 188187, 455101, 483207, 1365303, 1442767, 2948263, 4328301, 8844789, 67810049, 203430147]

約数ペア:

[(1, 203430147), (3, 67810049), (23, 8844789), (47, 4328301), (69, 2948263), (141, 1442767), (149, 1365303), (421, 483207), (447, 455101), (1081, 188187), (1263, 161069), (3243, 62729), (3427, 59361), (7003, 29049), (9683, 21009), (10281, 19787)]