2502009

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 40

約数和(自身を含む): 4181760

約数和(自身を除く): 1679751

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 79, 81, 153, 207, 237, 391, 459, 621, 711, 1173, 1343, 1377, 1817, 1863, 2133, 3519, 4029, 5451, 6399, 10557, 12087, 16353, 30889, 31671, 36261, 49059, 92667, 108783, 147177, 278001, 834003, 2502009]

約数ペア:

[(1, 2502009), (3, 834003), (9, 278001), (17, 147177), (23, 108783), (27, 92667), (51, 49059), (69, 36261), (79, 31671), (81, 30889), (153, 16353), (207, 12087), (237, 10557), (391, 6399), (459, 5451), (621, 4029), (711, 3519), (1173, 2133), (1343, 1863), (1377, 1817)]