28973925

素因数分解:

$3^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{983}}^1$

素因数の和:1130

約数の個数: 36

約数和(自身を含む): 52344864

約数和(自身を除く): 23370939

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 131, 225, 393, 655, 983, 1179, 1965, 2949, 3275, 4915, 5895, 8847, 9825, 14745, 24575, 29475, 44235, 73725, 128773, 221175, 386319, 643865, 1158957, 1931595, 3219325, 5794785, 9657975, 28973925]

約数ペア:

[(1, 28973925), (3, 9657975), (5, 5794785), (9, 3219325), (15, 1931595), (25, 1158957), (45, 643865), (75, 386319), (131, 221175), (225, 128773), (393, 73725), (655, 44235), (983, 29475), (1179, 24575), (1965, 14745), (2949, 9825), (3275, 8847), (4915, 5895)]