28237083

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 46139904

約数和(自身を除く): 17902821

約数列:

[1, 3, 7, 21, 47, 49, 61, 67, 141, 147, 183, 201, 329, 427, 469, 987, 1281, 1407, 2303, 2867, 2989, 3149, 3283, 4087, 6909, 8601, 8967, 9447, 9849, 12261, 20069, 22043, 28609, 60207, 66129, 85827, 140483, 154301, 192089, 200263, 421449, 462903, 576267, 600789, 1344623, 4033869, 9412361, 28237083]

約数ペア:

[(1, 28237083), (3, 9412361), (7, 4033869), (21, 1344623), (47, 600789), (49, 576267), (61, 462903), (67, 421449), (141, 200263), (147, 192089), (183, 154301), (201, 140483), (329, 85827), (427, 66129), (469, 60207), (987, 28609), (1281, 22043), (1407, 20069), (2303, 12261), (2867, 9849), (2989, 9447), (3149, 8967), (3283, 8601), (4087, 6909)]