221500521

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{25717}}^1$

素因数の和:25766

約数の個数: 32

約数和(自身を含む): 370339200

約数和(自身を除く): 148838679

約数列:

[1, 3, 9, 11, 27, 29, 33, 87, 99, 261, 297, 319, 783, 957, 2871, 8613, 25717, 77151, 231453, 282887, 694359, 745793, 848661, 2237379, 2545983, 6712137, 7637949, 8203723, 20136411, 24611169, 73833507, 221500521]

約数ペア:

[(1, 221500521), (3, 73833507), (9, 24611169), (11, 20136411), (27, 8203723), (29, 7637949), (33, 6712137), (87, 2545983), (99, 2237379), (261, 848661), (297, 745793), (319, 694359), (783, 282887), (957, 231453), (2871, 77151), (8613, 25717)]