13207905

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{349}}^1$

素因数の和:418

約数の個数: 36

約数和(自身を含む): 23778300

約数和(自身を除く): 10570395

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 349, 435, 841, 1047, 1305, 1745, 2523, 3141, 4205, 5235, 7569, 10121, 12615, 15705, 30363, 37845, 50605, 91089, 151815, 293509, 455445, 880527, 1467545, 2641581, 4402635, 13207905]

約数ペア:

[(1, 13207905), (3, 4402635), (5, 2641581), (9, 1467545), (15, 880527), (29, 455445), (45, 293509), (87, 151815), (145, 91089), (261, 50605), (349, 37845), (435, 30363), (841, 15705), (1047, 12615), (1305, 10121), (1745, 7569), (2523, 5235), (3141, 4205)]