15976005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:146

約数の個数: 64

約数和(自身を含む): 29196288

約数和(自身を除く): 13220283

約数列:

[1, 3, 5, 15, 17, 31, 43, 47, 51, 85, 93, 129, 141, 155, 215, 235, 255, 465, 527, 645, 705, 731, 799, 1333, 1457, 1581, 2021, 2193, 2397, 2635, 3655, 3995, 3999, 4371, 6063, 6665, 7285, 7905, 10105, 10965, 11985, 19995, 21855, 22661, 24769, 30315, 34357, 62651, 67983, 74307, 103071, 113305, 123845, 171785, 187953, 313255, 339915, 371535, 515355, 939765, 1065067, 3195201, 5325335, 15976005]

約数ペア:

[(1, 15976005), (3, 5325335), (5, 3195201), (15, 1065067), (17, 939765), (31, 515355), (43, 371535), (47, 339915), (51, 313255), (85, 187953), (93, 171785), (129, 123845), (141, 113305), (155, 103071), (215, 74307), (235, 67983), (255, 62651), (465, 34357), (527, 30315), (645, 24769), (705, 22661), (731, 21855), (799, 19995), (1333, 11985), (1457, 10965), (1581, 10105), (2021, 7905), (2193, 7285), (2397, 6665), (2635, 6063), (3655, 4371), (3995, 3999)]