13286187

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 40

約数和(自身を含む): 21344400

約数和(自身を除く): 8058213

約数列:

[1, 3, 9, 19, 27, 57, 81, 89, 97, 171, 267, 291, 513, 801, 873, 1539, 1691, 1843, 2403, 2619, 5073, 5529, 7209, 7857, 8633, 15219, 16587, 25899, 45657, 49761, 77697, 136971, 149283, 164027, 233091, 492081, 699273, 1476243, 4428729, 13286187]

約数ペア:

[(1, 13286187), (3, 4428729), (9, 1476243), (19, 699273), (27, 492081), (57, 233091), (81, 164027), (89, 149283), (97, 136971), (171, 77697), (267, 49761), (291, 45657), (513, 25899), (801, 16587), (873, 15219), (1539, 8633), (1691, 7857), (1843, 7209), (2403, 5529), (2619, 5073)]