13353725

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1$

素因数の和:1026

約数の個数: 36

約数和(自身を含む): 21034368

約数和(自身を除く): 7680643

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 175, 245, 275, 385, 539, 991, 1225, 1925, 2695, 4955, 6937, 10901, 13475, 24775, 34685, 48559, 54505, 76307, 173425, 242795, 272525, 381535, 534149, 1213975, 1907675, 2670745, 13353725]

約数ペア:

[(1, 13353725), (5, 2670745), (7, 1907675), (11, 1213975), (25, 534149), (35, 381535), (49, 272525), (55, 242795), (77, 173425), (175, 76307), (245, 54505), (275, 48559), (385, 34685), (539, 24775), (991, 13475), (1225, 10901), (1925, 6937), (2695, 4955)]