13515425

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 22900320

約数和(自身を除く): 9384895

約数列:

[1, 5, 7, 11, 17, 25, 35, 49, 55, 59, 77, 85, 119, 175, 187, 245, 275, 295, 385, 413, 425, 539, 595, 649, 833, 935, 1003, 1225, 1309, 1475, 1925, 2065, 2695, 2891, 2975, 3245, 4165, 4543, 4675, 5015, 6545, 7021, 9163, 10325, 11033, 13475, 14455, 16225, 20825, 22715, 25075, 31801, 32725, 35105, 45815, 49147, 55165, 72275, 77231, 113575, 159005, 175525, 229075, 245735, 275825, 386155, 540617, 795025, 1228675, 1930775, 2703085, 13515425]

約数ペア:

[(1, 13515425), (5, 2703085), (7, 1930775), (11, 1228675), (17, 795025), (25, 540617), (35, 386155), (49, 275825), (55, 245735), (59, 229075), (77, 175525), (85, 159005), (119, 113575), (175, 77231), (187, 72275), (245, 55165), (275, 49147), (295, 45815), (385, 35105), (413, 32725), (425, 31801), (539, 25075), (595, 22715), (649, 20825), (833, 16225), (935, 14455), (1003, 13475), (1225, 11033), (1309, 10325), (1475, 9163), (1925, 7021), (2065, 6545), (2695, 5015), (2891, 4675), (2975, 4543), (3245, 4165)]