28934955

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 59796480

約数和(自身を除く): 30861525

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 67, 105, 135, 189, 201, 315, 335, 457, 469, 603, 945, 1005, 1371, 1407, 1809, 2285, 2345, 3015, 3199, 4113, 4221, 6855, 7035, 9045, 9597, 12339, 12663, 15995, 20565, 21105, 28791, 30619, 47985, 61695, 63315, 86373, 91857, 143955, 153095, 214333, 275571, 431865, 459285, 642999, 826713, 1071665, 1377855, 1928997, 3214995, 4133565, 5786991, 9644985, 28934955]

約数ペア:

[(1, 28934955), (3, 9644985), (5, 5786991), (7, 4133565), (9, 3214995), (15, 1928997), (21, 1377855), (27, 1071665), (35, 826713), (45, 642999), (63, 459285), (67, 431865), (105, 275571), (135, 214333), (189, 153095), (201, 143955), (315, 91857), (335, 86373), (457, 63315), (469, 61695), (603, 47985), (945, 30619), (1005, 28791), (1371, 21105), (1407, 20565), (1809, 15995), (2285, 12663), (2345, 12339), (3015, 9597), (3199, 9045), (4113, 7035), (4221, 6855)]