28760325

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 52710912

約数和(自身を除く): 23950587

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 165, 213, 275, 355, 491, 781, 825, 1065, 1473, 1775, 2343, 2455, 3905, 5325, 5401, 7365, 11715, 12275, 16203, 19525, 27005, 34861, 36825, 58575, 81015, 104583, 135025, 174305, 383471, 405075, 522915, 871525, 1150413, 1917355, 2614575, 5752065, 9586775, 28760325]

約数ペア:

[(1, 28760325), (3, 9586775), (5, 5752065), (11, 2614575), (15, 1917355), (25, 1150413), (33, 871525), (55, 522915), (71, 405075), (75, 383471), (165, 174305), (213, 135025), (275, 104583), (355, 81015), (491, 58575), (781, 36825), (825, 34861), (1065, 27005), (1473, 19525), (1775, 16203), (2343, 12275), (2455, 11715), (3905, 7365), (5325, 5401)]