12872349

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 54

約数和(自身を含む): 23203674

約数和(自身を除く): 10331325

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 101, 119, 147, 153, 289, 303, 357, 441, 707, 833, 867, 909, 1071, 1717, 2023, 2121, 2499, 2601, 4949, 5151, 6069, 6363, 7497, 12019, 14161, 14847, 15453, 18207, 29189, 36057, 42483, 44541, 84133, 87567, 108171, 127449, 204323, 252399, 262701, 612969, 757197, 1430261, 1838907, 4290783, 12872349]

約数ペア:

[(1, 12872349), (3, 4290783), (7, 1838907), (9, 1430261), (17, 757197), (21, 612969), (49, 262701), (51, 252399), (63, 204323), (101, 127449), (119, 108171), (147, 87567), (153, 84133), (289, 44541), (303, 42483), (357, 36057), (441, 29189), (707, 18207), (833, 15453), (867, 14847), (909, 14161), (1071, 12019), (1717, 7497), (2023, 6363), (2121, 6069), (2499, 5151), (2601, 4949)]