201352221

素因数分解:

$3^2\times 7^2\times {\mathrm{456581}}^1$

素因数の和:456601

約数の個数: 18

約数和(自身を含む): 338327262

約数和(自身を除く): 136975041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 456581, 1369743, 3196067, 4109229, 9588201, 22372469, 28764603, 67117407, 201352221]

約数ペア:

[(1, 201352221), (3, 67117407), (7, 28764603), (9, 22372469), (21, 9588201), (49, 4109229), (63, 3196067), (147, 1369743), (441, 456581)]