47321421

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 80994816

約数和(自身を除く): 33673395

約数列:

[1, 3, 7, 17, 21, 41, 51, 53, 61, 119, 123, 159, 183, 287, 357, 371, 427, 697, 861, 901, 1037, 1113, 1281, 2091, 2173, 2501, 2703, 3111, 3233, 4879, 6307, 6519, 7259, 7503, 9699, 14637, 15211, 17507, 18921, 21777, 22631, 36941, 42517, 45633, 52521, 54961, 67893, 110823, 127551, 132553, 164883, 258587, 297619, 384727, 397659, 775761, 892857, 927871, 1154181, 2253401, 2783613, 6760203, 15773807, 47321421]

約数ペア:

[(1, 47321421), (3, 15773807), (7, 6760203), (17, 2783613), (21, 2253401), (41, 1154181), (51, 927871), (53, 892857), (61, 775761), (119, 397659), (123, 384727), (159, 297619), (183, 258587), (287, 164883), (357, 132553), (371, 127551), (427, 110823), (697, 67893), (861, 54961), (901, 52521), (1037, 45633), (1113, 42517), (1281, 36941), (2091, 22631), (2173, 21777), (2501, 18921), (2703, 17507), (3111, 15211), (3233, 14637), (4879, 9699), (6307, 7503), (6519, 7259)]