15690915

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:130

約数の個数: 80

約数和(自身を含む): 31049568

約数和(自身を除く): 15358653

約数列:

[1, 3, 5, 9, 15, 17, 27, 43, 45, 51, 53, 81, 85, 129, 135, 153, 159, 215, 255, 265, 387, 405, 459, 477, 645, 731, 765, 795, 901, 1161, 1377, 1431, 1935, 2193, 2279, 2295, 2385, 2703, 3483, 3655, 4293, 4505, 5805, 6579, 6837, 6885, 7155, 8109, 10965, 11395, 13515, 17415, 19737, 20511, 21465, 24327, 32895, 34185, 38743, 40545, 59211, 61533, 72981, 98685, 102555, 116229, 121635, 184599, 193715, 296055, 307665, 348687, 364905, 581145, 922995, 1046061, 1743435, 3138183, 5230305, 15690915]

約数ペア:

[(1, 15690915), (3, 5230305), (5, 3138183), (9, 1743435), (15, 1046061), (17, 922995), (27, 581145), (43, 364905), (45, 348687), (51, 307665), (53, 296055), (81, 193715), (85, 184599), (129, 121635), (135, 116229), (153, 102555), (159, 98685), (215, 72981), (255, 61533), (265, 59211), (387, 40545), (405, 38743), (459, 34185), (477, 32895), (645, 24327), (731, 21465), (765, 20511), (795, 19737), (901, 17415), (1161, 13515), (1377, 11395), (1431, 10965), (1935, 8109), (2193, 7155), (2279, 6885), (2295, 6837), (2385, 6579), (2703, 5805), (3483, 4505), (3655, 4293)]