16205343

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 28217088

約数和(自身を除く): 12011745

約数列:

[1, 3, 7, 11, 21, 31, 33, 73, 77, 93, 217, 219, 231, 341, 511, 651, 803, 961, 1023, 1533, 2263, 2387, 2409, 2883, 5621, 6727, 6789, 7161, 10571, 15841, 16863, 20181, 24893, 31713, 47523, 70153, 73997, 74679, 174251, 210459, 221991, 491071, 522753, 771683, 1473213, 2315049, 5401781, 16205343]

約数ペア:

[(1, 16205343), (3, 5401781), (7, 2315049), (11, 1473213), (21, 771683), (31, 522753), (33, 491071), (73, 221991), (77, 210459), (93, 174251), (217, 74679), (219, 73997), (231, 70153), (341, 47523), (511, 31713), (651, 24893), (803, 20181), (961, 16863), (1023, 15841), (1533, 10571), (2263, 7161), (2387, 6789), (2409, 6727), (2883, 5621)]