16986585

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{191}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 34933248

約数和(自身を除く): 17946663

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 121, 147, 165, 191, 231, 245, 363, 385, 539, 573, 605, 735, 847, 955, 1155, 1337, 1617, 1815, 2101, 2541, 2695, 2865, 4011, 4235, 5929, 6303, 6685, 8085, 9359, 10505, 12705, 14707, 17787, 20055, 23111, 28077, 29645, 31515, 44121, 46795, 69333, 73535, 88935, 102949, 115555, 140385, 161777, 220605, 308847, 346665, 485331, 514745, 808885, 1132439, 1544235, 2426655, 3397317, 5662195, 16986585]

約数ペア:

[(1, 16986585), (3, 5662195), (5, 3397317), (7, 2426655), (11, 1544235), (15, 1132439), (21, 808885), (33, 514745), (35, 485331), (49, 346665), (55, 308847), (77, 220605), (105, 161777), (121, 140385), (147, 115555), (165, 102949), (191, 88935), (231, 73535), (245, 69333), (363, 46795), (385, 44121), (539, 31515), (573, 29645), (605, 28077), (735, 23111), (847, 20055), (955, 17787), (1155, 14707), (1337, 12705), (1617, 10505), (1815, 9359), (2101, 8085), (2541, 6685), (2695, 6303), (2865, 5929), (4011, 4235)]