13237305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 24427008

約数和(自身を除く): 11189703

約数列:

[1, 3, 5, 15, 17, 23, 37, 51, 61, 69, 85, 111, 115, 183, 185, 255, 305, 345, 391, 555, 629, 851, 915, 1037, 1173, 1403, 1887, 1955, 2257, 2553, 3111, 3145, 4209, 4255, 5185, 5865, 6771, 7015, 9435, 11285, 12765, 14467, 15555, 21045, 23851, 33855, 38369, 43401, 51911, 71553, 72335, 115107, 119255, 155733, 191845, 217005, 259555, 357765, 575535, 778665, 882487, 2647461, 4412435, 13237305]

約数ペア:

[(1, 13237305), (3, 4412435), (5, 2647461), (15, 882487), (17, 778665), (23, 575535), (37, 357765), (51, 259555), (61, 217005), (69, 191845), (85, 155733), (111, 119255), (115, 115107), (183, 72335), (185, 71553), (255, 51911), (305, 43401), (345, 38369), (391, 33855), (555, 23851), (629, 21045), (851, 15555), (915, 14467), (1037, 12765), (1173, 11285), (1403, 9435), (1887, 7015), (1955, 6771), (2257, 5865), (2553, 5185), (3111, 4255), (3145, 4209)]