13456905

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 27426816

約数和(自身を除く): 13969911

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 61, 77, 105, 165, 183, 191, 231, 305, 385, 427, 573, 671, 915, 955, 1155, 1281, 1337, 2013, 2101, 2135, 2865, 3355, 4011, 4697, 6303, 6405, 6685, 10065, 10505, 11651, 14091, 14707, 20055, 23485, 31515, 34953, 44121, 58255, 70455, 73535, 81557, 128161, 174765, 220605, 244671, 384483, 407785, 640805, 897127, 1223355, 1922415, 2691381, 4485635, 13456905]

約数ペア:

[(1, 13456905), (3, 4485635), (5, 2691381), (7, 1922415), (11, 1223355), (15, 897127), (21, 640805), (33, 407785), (35, 384483), (55, 244671), (61, 220605), (77, 174765), (105, 128161), (165, 81557), (183, 73535), (191, 70455), (231, 58255), (305, 44121), (385, 34953), (427, 31515), (573, 23485), (671, 20055), (915, 14707), (955, 14091), (1155, 11651), (1281, 10505), (1337, 10065), (2013, 6685), (2101, 6405), (2135, 6303), (2865, 4697), (3355, 4011)]