13253275

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 36

約数和(自身を含む): 19790400

約数和(自身を除く): 6537125

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 349, 775, 1085, 1225, 1519, 1745, 2443, 5425, 7595, 8725, 10819, 12215, 17101, 37975, 54095, 61075, 75733, 85505, 270475, 378665, 427525, 530131, 1893325, 2650655, 13253275]

約数ペア:

[(1, 13253275), (5, 2650655), (7, 1893325), (25, 530131), (31, 427525), (35, 378665), (49, 270475), (155, 85505), (175, 75733), (217, 61075), (245, 54095), (349, 37975), (775, 17101), (1085, 12215), (1225, 10819), (1519, 8725), (1745, 7595), (2443, 5425)]