221497641

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{9221}}^1$

素因数の和:9401

約数の個数: 24

約数和(自身を含む): 340955784

約数和(自身を除く): 119458143

約数列:

[1, 3, 9, 17, 51, 153, 157, 471, 1413, 2669, 8007, 9221, 24021, 27663, 82989, 156757, 470271, 1410813, 1447697, 4343091, 13029273, 24610849, 73832547, 221497641]

約数ペア:

[(1, 221497641), (3, 73832547), (9, 24610849), (17, 13029273), (51, 4343091), (153, 1447697), (157, 1410813), (471, 470271), (1413, 156757), (2669, 82989), (8007, 27663), (9221, 24021)]