15380775

素因数分解:

$3^2\times 5^2\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:560

約数の個数: 36

約数和(自身を含む): 27768312

約数和(自身を除く): 12387537

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 197, 225, 347, 591, 985, 1041, 1735, 1773, 2955, 3123, 4925, 5205, 8675, 8865, 14775, 15615, 26025, 44325, 68359, 78075, 205077, 341795, 615231, 1025385, 1708975, 3076155, 5126925, 15380775]

約数ペア:

[(1, 15380775), (3, 5126925), (5, 3076155), (9, 1708975), (15, 1025385), (25, 615231), (45, 341795), (75, 205077), (197, 78075), (225, 68359), (347, 44325), (591, 26025), (985, 15615), (1041, 14775), (1735, 8865), (1773, 8675), (2955, 5205), (3123, 4925)]