16503345

素因数分解:

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

素因数の和:101

約数の個数: 72

約数和(自身を含む): 32183424

約数和(自身を除く): 15680079

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 47, 51, 81, 85, 135, 141, 153, 235, 243, 255, 289, 405, 423, 459, 705, 765, 799, 867, 1215, 1269, 1377, 1445, 2115, 2295, 2397, 2601, 3807, 3995, 4131, 4335, 6345, 6885, 7191, 7803, 11421, 11985, 13005, 13583, 19035, 20655, 21573, 23409, 35955, 39015, 40749, 57105, 64719, 67915, 70227, 107865, 117045, 122247, 194157, 203745, 323595, 351135, 366741, 611235, 970785, 1100223, 1833705, 3300669, 5501115, 16503345]

約数ペア:

[(1, 16503345), (3, 5501115), (5, 3300669), (9, 1833705), (15, 1100223), (17, 970785), (27, 611235), (45, 366741), (47, 351135), (51, 323595), (81, 203745), (85, 194157), (135, 122247), (141, 117045), (153, 107865), (235, 70227), (243, 67915), (255, 64719), (289, 57105), (405, 40749), (423, 39015), (459, 35955), (705, 23409), (765, 21573), (799, 20655), (867, 19035), (1215, 13583), (1269, 13005), (1377, 11985), (1445, 11421), (2115, 7803), (2295, 7191), (2397, 6885), (2601, 6345), (3807, 4335), (3995, 4131)]