213065853

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70951}}^1$

素因数の和:70985

約数の個数: 32

約数和(自身を含む): 381437952

約数和(自身を除く): 168372099

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 91, 143, 231, 273, 429, 1001, 3003, 70951, 212853, 496657, 780461, 922363, 1489971, 2341383, 2767089, 5463227, 6456541, 10145993, 16389681, 19369623, 30437979, 71021951, 213065853]

約数ペア:

[(1, 213065853), (3, 71021951), (7, 30437979), (11, 19369623), (13, 16389681), (21, 10145993), (33, 6456541), (39, 5463227), (77, 2767089), (91, 2341383), (143, 1489971), (231, 922363), (273, 780461), (429, 496657), (1001, 212853), (3003, 70951)]