13042575

素因数分解:

$3^2\times 5^2\times 7^3\times {\mathrm{13}}^2$

素因数の和:63

約数の個数: 108

約数和(自身を含む): 29499600

約数和(自身を除く): 16457025

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 49, 63, 65, 75, 91, 105, 117, 147, 169, 175, 195, 225, 245, 273, 315, 325, 343, 441, 455, 507, 525, 585, 637, 735, 819, 845, 975, 1029, 1183, 1225, 1365, 1521, 1575, 1715, 1911, 2205, 2275, 2535, 2925, 3087, 3185, 3549, 3675, 4095, 4225, 4459, 5145, 5733, 5915, 6825, 7605, 8281, 8575, 9555, 10647, 11025, 12675, 13377, 15435, 15925, 17745, 20475, 22295, 24843, 25725, 28665, 29575, 38025, 40131, 41405, 47775, 53235, 57967, 66885, 74529, 77175, 88725, 111475, 124215, 143325, 173901, 200655, 207025, 266175, 289835, 334425, 372645, 521703, 621075, 869505, 1003275, 1449175, 1863225, 2608515, 4347525, 13042575]

約数ペア:

[(1, 13042575), (3, 4347525), (5, 2608515), (7, 1863225), (9, 1449175), (13, 1003275), (15, 869505), (21, 621075), (25, 521703), (35, 372645), (39, 334425), (45, 289835), (49, 266175), (63, 207025), (65, 200655), (75, 173901), (91, 143325), (105, 124215), (117, 111475), (147, 88725), (169, 77175), (175, 74529), (195, 66885), (225, 57967), (245, 53235), (273, 47775), (315, 41405), (325, 40131), (343, 38025), (441, 29575), (455, 28665), (507, 25725), (525, 24843), (585, 22295), (637, 20475), (735, 17745), (819, 15925), (845, 15435), (975, 13377), (1029, 12675), (1183, 11025), (1225, 10647), (1365, 9555), (1521, 8575), (1575, 8281), (1715, 7605), (1911, 6825), (2205, 5915), (2275, 5733), (2535, 5145), (2925, 4459), (3087, 4225), (3185, 4095), (3549, 3675)]