13538205

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 48

約数和(自身を含む): 25640640

約数和(自身を除く): 12102435

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 289, 347, 459, 765, 867, 1041, 1445, 1735, 2295, 2601, 3123, 4335, 5205, 5899, 7803, 9369, 13005, 15615, 17697, 29495, 39015, 46845, 53091, 88485, 100283, 159273, 265455, 300849, 501415, 796365, 902547, 1504245, 2707641, 4512735, 13538205]

約数ペア:

[(1, 13538205), (3, 4512735), (5, 2707641), (9, 1504245), (15, 902547), (17, 796365), (27, 501415), (45, 300849), (51, 265455), (85, 159273), (135, 100283), (153, 88485), (255, 53091), (289, 46845), (347, 39015), (459, 29495), (765, 17697), (867, 15615), (1041, 13005), (1445, 9369), (1735, 7803), (2295, 5899), (2601, 5205), (3123, 4335)]