16456815

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 30191616

約数和(自身を除く): 13734801

約数列:

[1, 3, 5, 9, 15, 31, 45, 47, 93, 141, 155, 235, 251, 279, 423, 465, 705, 753, 1255, 1395, 1457, 2115, 2259, 3765, 4371, 7285, 7781, 11295, 11797, 13113, 21855, 23343, 35391, 38905, 58985, 65565, 70029, 106173, 116715, 176955, 350145, 365707, 530865, 1097121, 1828535, 3291363, 5485605, 16456815]

約数ペア:

[(1, 16456815), (3, 5485605), (5, 3291363), (9, 1828535), (15, 1097121), (31, 530865), (45, 365707), (47, 350145), (93, 176955), (141, 116715), (155, 106173), (235, 70029), (251, 65565), (279, 58985), (423, 38905), (465, 35391), (705, 23343), (753, 21855), (1255, 13113), (1395, 11797), (1457, 11295), (2115, 7781), (2259, 7285), (3765, 4371)]