203215875

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:413

約数の個数: 64

約数和(自身を含む): 362299392

約数和(自身を除く): 159083517

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 127, 251, 255, 375, 381, 425, 635, 753, 1255, 1275, 1905, 2125, 2159, 3175, 3765, 4267, 6275, 6375, 6477, 9525, 10795, 12801, 15875, 18825, 21335, 31375, 31877, 32385, 47625, 53975, 64005, 94125, 95631, 106675, 159385, 161925, 269875, 320025, 478155, 533375, 541909, 796925, 809625, 1600125, 1625727, 2390775, 2709545, 3984625, 8128635, 11953875, 13547725, 40643175, 67738625, 203215875]

約数ペア:

[(1, 203215875), (3, 67738625), (5, 40643175), (15, 13547725), (17, 11953875), (25, 8128635), (51, 3984625), (75, 2709545), (85, 2390775), (125, 1625727), (127, 1600125), (251, 809625), (255, 796925), (375, 541909), (381, 533375), (425, 478155), (635, 320025), (753, 269875), (1255, 161925), (1275, 159385), (1905, 106675), (2125, 95631), (2159, 94125), (3175, 64005), (3765, 53975), (4267, 47625), (6275, 32385), (6375, 31877), (6477, 31375), (9525, 21335), (10795, 18825), (12801, 15875)]