13420365

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 27168480

約数和(自身を除く): 13748115

約数列:

[1, 3, 5, 7, 15, 19, 21, 31, 35, 49, 57, 93, 95, 105, 133, 147, 155, 217, 245, 285, 399, 465, 589, 651, 665, 735, 931, 961, 1085, 1519, 1767, 1995, 2793, 2883, 2945, 3255, 4123, 4557, 4655, 4805, 6727, 7595, 8835, 12369, 13965, 14415, 18259, 20181, 20615, 22785, 28861, 33635, 47089, 54777, 61845, 86583, 91295, 100905, 127813, 141267, 144305, 235445, 273885, 383439, 432915, 639065, 706335, 894691, 1917195, 2684073, 4473455, 13420365]

約数ペア:

[(1, 13420365), (3, 4473455), (5, 2684073), (7, 1917195), (15, 894691), (19, 706335), (21, 639065), (31, 432915), (35, 383439), (49, 273885), (57, 235445), (93, 144305), (95, 141267), (105, 127813), (133, 100905), (147, 91295), (155, 86583), (217, 61845), (245, 54777), (285, 47089), (399, 33635), (465, 28861), (589, 22785), (651, 20615), (665, 20181), (735, 18259), (931, 14415), (961, 13965), (1085, 12369), (1519, 8835), (1767, 7595), (1995, 6727), (2793, 4805), (2883, 4655), (2945, 4557), (3255, 4123)]