12690585

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 23806224

約数和(自身を除く): 11115639

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 53, 85, 153, 159, 255, 265, 313, 477, 765, 795, 901, 939, 1565, 2385, 2703, 2817, 4505, 4695, 5321, 8109, 13515, 14085, 15963, 16589, 26605, 40545, 47889, 49767, 79815, 82945, 149301, 239445, 248835, 282013, 746505, 846039, 1410065, 2538117, 4230195, 12690585]

約数ペア:

[(1, 12690585), (3, 4230195), (5, 2538117), (9, 1410065), (15, 846039), (17, 746505), (45, 282013), (51, 248835), (53, 239445), (85, 149301), (153, 82945), (159, 79815), (255, 49767), (265, 47889), (313, 40545), (477, 26605), (765, 16589), (795, 15963), (901, 14085), (939, 13515), (1565, 8109), (2385, 5321), (2703, 4695), (2817, 4505)]