247904055

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 517570560

約数和(自身を除く): 269666505

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 53, 63, 93, 105, 155, 159, 217, 265, 279, 315, 371, 465, 477, 479, 651, 795, 1085, 1113, 1395, 1437, 1643, 1855, 1953, 2385, 2395, 3255, 3339, 3353, 4311, 4929, 5565, 7185, 8215, 9765, 10059, 11501, 14787, 14849, 16695, 16765, 21555, 24645, 25387, 30177, 34503, 44547, 50295, 57505, 73935, 74245, 76161, 103509, 103943, 126935, 133641, 150885, 172515, 177709, 222735, 228483, 311829, 380805, 517545, 519715, 533127, 668205, 786997, 888545, 935487, 1142415, 1559145, 1599381, 2360991, 2665635, 3934985, 4677435, 5508979, 7082973, 7996905, 11804955, 16526937, 27544895, 35414865, 49580811, 82634685, 247904055]

約数ペア:

[(1, 247904055), (3, 82634685), (5, 49580811), (7, 35414865), (9, 27544895), (15, 16526937), (21, 11804955), (31, 7996905), (35, 7082973), (45, 5508979), (53, 4677435), (63, 3934985), (93, 2665635), (105, 2360991), (155, 1599381), (159, 1559145), (217, 1142415), (265, 935487), (279, 888545), (315, 786997), (371, 668205), (465, 533127), (477, 519715), (479, 517545), (651, 380805), (795, 311829), (1085, 228483), (1113, 222735), (1395, 177709), (1437, 172515), (1643, 150885), (1855, 133641), (1953, 126935), (2385, 103943), (2395, 103509), (3255, 76161), (3339, 74245), (3353, 73935), (4311, 57505), (4929, 50295), (5565, 44547), (7185, 34503), (8215, 30177), (9765, 25387), (10059, 24645), (11501, 21555), (14787, 16765), (14849, 16695)]