19930275

素因数分解:

$3^2\times 5^2\times {\mathrm{283}}^1\times {\mathrm{313}}^1$

素因数の和:612

約数の個数: 36

約数和(自身を含む): 35937928

約数和(自身を除く): 16007653

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 283, 313, 849, 939, 1415, 1565, 2547, 2817, 4245, 4695, 7075, 7825, 12735, 14085, 21225, 23475, 63675, 70425, 88579, 265737, 442895, 797211, 1328685, 2214475, 3986055, 6643425, 19930275]

約数ペア:

[(1, 19930275), (3, 6643425), (5, 3986055), (9, 2214475), (15, 1328685), (25, 797211), (45, 442895), (75, 265737), (225, 88579), (283, 70425), (313, 63675), (849, 23475), (939, 21225), (1415, 14085), (1565, 12735), (2547, 7825), (2817, 7075), (4245, 4695)]