42837921

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 73352448

約数和(自身を除く): 30514527

約数列:

[1, 3, 7, 9, 21, 61, 63, 71, 157, 183, 213, 427, 471, 497, 549, 639, 1099, 1281, 1413, 1491, 3297, 3843, 4331, 4473, 9577, 9891, 11147, 12993, 28731, 30317, 33441, 38979, 67039, 78029, 86193, 90951, 100323, 201117, 234087, 272853, 603351, 679967, 702261, 2039901, 4759769, 6119703, 14279307, 42837921]

約数ペア:

[(1, 42837921), (3, 14279307), (7, 6119703), (9, 4759769), (21, 2039901), (61, 702261), (63, 679967), (71, 603351), (157, 272853), (183, 234087), (213, 201117), (427, 100323), (471, 90951), (497, 86193), (549, 78029), (639, 67039), (1099, 38979), (1281, 33441), (1413, 30317), (1491, 28731), (3297, 12993), (3843, 11147), (4331, 9891), (4473, 9577)]