28323675

素因数分解:

$3^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:290

約数の個数: 60

約数和(自身を含む): 53474256

約数和(自身を除く): 25150581

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 135, 197, 213, 225, 355, 405, 591, 639, 675, 985, 1065, 1773, 1775, 1917, 2025, 2955, 3195, 4925, 5319, 5325, 5751, 8865, 9585, 13987, 14775, 15957, 15975, 26595, 28755, 41961, 44325, 47925, 69935, 79785, 125883, 132975, 143775, 209805, 349675, 377649, 398925, 629415, 1049025, 1132947, 1888245, 3147075, 5664735, 9441225, 28323675]

約数ペア:

[(1, 28323675), (3, 9441225), (5, 5664735), (9, 3147075), (15, 1888245), (25, 1132947), (27, 1049025), (45, 629415), (71, 398925), (75, 377649), (81, 349675), (135, 209805), (197, 143775), (213, 132975), (225, 125883), (355, 79785), (405, 69935), (591, 47925), (639, 44325), (675, 41961), (985, 28755), (1065, 26595), (1773, 15975), (1775, 15957), (1917, 14775), (2025, 13987), (2955, 9585), (3195, 8865), (4925, 5751), (5319, 5325)]