7804125

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{991}}^1$

素因数の和:1019

約数の個数: 48

約数和(自身を含む): 16094208

約数和(自身を除く): 8290083

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 991, 1125, 1575, 2625, 2973, 4955, 6937, 7875, 8919, 14865, 20811, 24775, 34685, 44595, 62433, 74325, 104055, 123875, 173425, 222975, 312165, 371625, 520275, 867125, 1114875, 1560825, 2601375, 7804125]

約数ペア:

[(1, 7804125), (3, 2601375), (5, 1560825), (7, 1114875), (9, 867125), (15, 520275), (21, 371625), (25, 312165), (35, 222975), (45, 173425), (63, 123875), (75, 104055), (105, 74325), (125, 62433), (175, 44595), (225, 34685), (315, 24775), (375, 20811), (525, 14865), (875, 8919), (991, 7875), (1125, 6937), (1575, 4955), (2625, 2973)]