219539943

素因数分解:

$3^3\times 7^2\times {\mathrm{165941}}^1$

素因数の和:165964

約数の個数: 24

約数和(自身を含む): 378347760

約数和(自身を除く): 158807817

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 165941, 497823, 1161587, 1493469, 3484761, 4480407, 8131109, 10454283, 24393327, 31362849, 73179981, 219539943]

約数ペア:

[(1, 219539943), (3, 73179981), (7, 31362849), (9, 24393327), (21, 10454283), (27, 8131109), (49, 4480407), (63, 3484761), (147, 1493469), (189, 1161587), (441, 497823), (1323, 165941)]