78977025

素因数分解:

$3^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:972

約数の個数: 60

約数和(自身を含む): 149859952

約数和(自身を除く): 70882927

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 129, 135, 215, 225, 387, 405, 645, 675, 907, 1075, 1161, 1935, 2025, 2721, 3225, 3483, 4535, 5805, 8163, 9675, 13605, 17415, 22675, 24489, 29025, 39001, 40815, 68025, 73467, 87075, 117003, 122445, 195005, 204075, 351009, 367335, 585015, 612225, 975025, 1053027, 1755045, 1836675, 2925075, 3159081, 5265135, 8775225, 15795405, 26325675, 78977025]

約数ペア:

[(1, 78977025), (3, 26325675), (5, 15795405), (9, 8775225), (15, 5265135), (25, 3159081), (27, 2925075), (43, 1836675), (45, 1755045), (75, 1053027), (81, 975025), (129, 612225), (135, 585015), (215, 367335), (225, 351009), (387, 204075), (405, 195005), (645, 122445), (675, 117003), (907, 87075), (1075, 73467), (1161, 68025), (1935, 40815), (2025, 39001), (2721, 29025), (3225, 24489), (3483, 22675), (4535, 17415), (5805, 13605), (8163, 9675)]