1721167326

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{72937}}^1$

素因数の和:72990

約数の個数: 64

約数和(自身を含む): 4201228800

約数和(自身を除く): 2480061474

約数列:

[1, 2, 3, 6, 9, 18, 19, 23, 27, 38, 46, 54, 57, 69, 114, 138, 171, 207, 342, 414, 437, 513, 621, 874, 1026, 1242, 1311, 2622, 3933, 7866, 11799, 23598, 72937, 145874, 218811, 437622, 656433, 1312866, 1385803, 1677551, 1969299, 2771606, 3355102, 3938598, 4157409, 5032653, 8314818, 10065306, 12472227, 15097959, 24944454, 30195918, 31873469, 37416681, 45293877, 63746938, 74833362, 90587754, 95620407, 191240814, 286861221, 573722442, 860583663, 1721167326]

約数ペア:

[(1, 1721167326), (2, 860583663), (3, 573722442), (6, 286861221), (9, 191240814), (18, 95620407), (19, 90587754), (23, 74833362), (27, 63746938), (38, 45293877), (46, 37416681), (54, 31873469), (57, 30195918), (69, 24944454), (114, 15097959), (138, 12472227), (171, 10065306), (207, 8314818), (342, 5032653), (414, 4157409), (437, 3938598), (513, 3355102), (621, 2771606), (874, 1969299), (1026, 1677551), (1242, 1385803), (1311, 1312866), (2622, 656433), (3933, 437622), (7866, 218811), (11799, 145874), (23598, 72937)]