15208965

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2$

素因数の和:128

約数の個数: 60

約数和(自身を含む): 29494476

約数和(自身を除く): 14285511

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 81, 85, 135, 141, 153, 235, 255, 405, 423, 459, 705, 765, 799, 1269, 1377, 2115, 2209, 2295, 2397, 3807, 3995, 6345, 6627, 6885, 7191, 11045, 11985, 19035, 19881, 21573, 33135, 35955, 37553, 59643, 64719, 99405, 107865, 112659, 178929, 187765, 298215, 323595, 337977, 563295, 894645, 1013931, 1689885, 3041793, 5069655, 15208965]

約数ペア:

[(1, 15208965), (3, 5069655), (5, 3041793), (9, 1689885), (15, 1013931), (17, 894645), (27, 563295), (45, 337977), (47, 323595), (51, 298215), (81, 187765), (85, 178929), (135, 112659), (141, 107865), (153, 99405), (235, 64719), (255, 59643), (405, 37553), (423, 35955), (459, 33135), (705, 21573), (765, 19881), (799, 19035), (1269, 11985), (1377, 11045), (2115, 7191), (2209, 6885), (2295, 6627), (2397, 6345), (3807, 3995)]