157565625

素因数分解:

$3^1\times 5^5\times 7^5$

素因数の和:63

約数の個数: 72

約数和(自身を含む): 306355392

約数和(自身を除く): 148789767

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 343, 375, 525, 625, 735, 875, 1029, 1225, 1715, 1875, 2401, 2625, 3125, 3675, 4375, 5145, 6125, 7203, 8575, 9375, 12005, 13125, 16807, 18375, 21875, 25725, 30625, 36015, 42875, 50421, 60025, 65625, 84035, 91875, 128625, 153125, 180075, 214375, 252105, 300125, 420175, 459375, 643125, 900375, 1071875, 1260525, 1500625, 2100875, 3215625, 4501875, 6302625, 7503125, 10504375, 22509375, 31513125, 52521875, 157565625]

約数ペア:

[(1, 157565625), (3, 52521875), (5, 31513125), (7, 22509375), (15, 10504375), (21, 7503125), (25, 6302625), (35, 4501875), (49, 3215625), (75, 2100875), (105, 1500625), (125, 1260525), (147, 1071875), (175, 900375), (245, 643125), (343, 459375), (375, 420175), (525, 300125), (625, 252105), (735, 214375), (875, 180075), (1029, 153125), (1225, 128625), (1715, 91875), (1875, 84035), (2401, 65625), (2625, 60025), (3125, 50421), (3675, 42875), (4375, 36015), (5145, 30625), (6125, 25725), (7203, 21875), (8575, 18375), (9375, 16807), (12005, 13125)]