218367771

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 316431360

約数和(自身を除く): 98063589

約数列:

[1, 3, 17, 51, 79, 83, 237, 249, 653, 1343, 1411, 1959, 4029, 4233, 6557, 11101, 19671, 33303, 51587, 54199, 111469, 154761, 162597, 334407, 876979, 921383, 2630937, 2764149, 4281721, 12845163, 72789257, 218367771]

約数ペア:

[(1, 218367771), (3, 72789257), (17, 12845163), (51, 4281721), (79, 2764149), (83, 2630937), (237, 921383), (249, 876979), (653, 334407), (1343, 162597), (1411, 154761), (1959, 111469), (4029, 54199), (4233, 51587), (6557, 33303), (11101, 19671)]