28640325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3209}}^1$

素因数の和:3246

約数の個数: 48

約数和(自身を含む): 57317760

約数和(自身を除く): 28677435

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 175, 255, 357, 425, 525, 595, 1275, 1785, 2975, 3209, 8925, 9627, 16045, 22463, 48135, 54553, 67389, 80225, 112315, 163659, 240675, 272765, 336945, 381871, 561575, 818295, 1145613, 1363825, 1684725, 1909355, 4091475, 5728065, 9546775, 28640325]

約数ペア:

[(1, 28640325), (3, 9546775), (5, 5728065), (7, 4091475), (15, 1909355), (17, 1684725), (21, 1363825), (25, 1145613), (35, 818295), (51, 561575), (75, 381871), (85, 336945), (105, 272765), (119, 240675), (175, 163659), (255, 112315), (357, 80225), (425, 67389), (525, 54553), (595, 48135), (1275, 22463), (1785, 16045), (2975, 9627), (3209, 8925)]