9900387

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:957

約数の個数: 40

約数和(自身を含む): 17811200

約数和(自身を除く): 7910813

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 919, 1197, 1539, 2757, 3591, 6433, 8271, 10773, 17461, 19299, 24813, 52383, 57897, 74439, 122227, 157149, 173691, 366681, 471447, 521073, 1100043, 1414341, 3300129, 9900387]

約数ペア:

[(1, 9900387), (3, 3300129), (7, 1414341), (9, 1100043), (19, 521073), (21, 471447), (27, 366681), (57, 173691), (63, 157149), (81, 122227), (133, 74439), (171, 57897), (189, 52383), (399, 24813), (513, 19299), (567, 17461), (919, 10773), (1197, 8271), (1539, 6433), (2757, 3591)]