13478955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:188

約数の個数: 64

約数和(自身を含む): 26320896

約数和(自身を除く): 12841941

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 41, 93, 101, 105, 123, 155, 205, 217, 287, 303, 465, 505, 615, 651, 707, 861, 1085, 1271, 1435, 1515, 2121, 3131, 3255, 3535, 3813, 4141, 4305, 6355, 8897, 9393, 10605, 12423, 15655, 19065, 20705, 21917, 26691, 28987, 44485, 46965, 62115, 65751, 86961, 109585, 128371, 133455, 144935, 328755, 385113, 434805, 641855, 898597, 1925565, 2695791, 4492985, 13478955]

約数ペア:

[(1, 13478955), (3, 4492985), (5, 2695791), (7, 1925565), (15, 898597), (21, 641855), (31, 434805), (35, 385113), (41, 328755), (93, 144935), (101, 133455), (105, 128371), (123, 109585), (155, 86961), (205, 65751), (217, 62115), (287, 46965), (303, 44485), (465, 28987), (505, 26691), (615, 21917), (651, 20705), (707, 19065), (861, 15655), (1085, 12423), (1271, 10605), (1435, 9393), (1515, 8897), (2121, 6355), (3131, 4305), (3255, 4141), (3535, 3813)]