1285285323

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 2128896000

約数和(自身を除く): 843610677

約数列:

[1, 3, 7, 17, 21, 51, 59, 119, 139, 177, 357, 413, 417, 439, 973, 1003, 1239, 1317, 2363, 2919, 3009, 3073, 7021, 7089, 7463, 8201, 9219, 16541, 21063, 22389, 24603, 25901, 49623, 52241, 57407, 61021, 77703, 139417, 156723, 172221, 181307, 183063, 418251, 427147, 440317, 543921, 975919, 1037357, 1281441, 1320951, 2927757, 3082219, 3112071, 3600239, 7261499, 9246657, 10800717, 21784497, 25201673, 61204063, 75605019, 183612189, 428428441, 1285285323]

約数ペア:

[(1, 1285285323), (3, 428428441), (7, 183612189), (17, 75605019), (21, 61204063), (51, 25201673), (59, 21784497), (119, 10800717), (139, 9246657), (177, 7261499), (357, 3600239), (413, 3112071), (417, 3082219), (439, 2927757), (973, 1320951), (1003, 1281441), (1239, 1037357), (1317, 975919), (2363, 543921), (2919, 440317), (3009, 427147), (3073, 418251), (7021, 183063), (7089, 181307), (7463, 172221), (8201, 156723), (9219, 139417), (16541, 77703), (21063, 61021), (22389, 57407), (24603, 52241), (25901, 49623)]