66564921

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{197}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 95800320

約数和(自身を除く): 29235399

約数列:

[1, 3, 23, 59, 69, 83, 177, 197, 249, 591, 1357, 1909, 4071, 4531, 4897, 5727, 11623, 13593, 14691, 16351, 34869, 49053, 112631, 267329, 337893, 376073, 801987, 964709, 1128219, 2894127, 22188307, 66564921]

約数ペア:

[(1, 66564921), (3, 22188307), (23, 2894127), (59, 1128219), (69, 964709), (83, 801987), (177, 376073), (197, 337893), (249, 267329), (591, 112631), (1357, 49053), (1909, 34869), (4071, 16351), (4531, 14691), (4897, 13593), (5727, 11623)]