64757475

素因数分解:

$3^4\times 5^2\times {\mathrm{113}}^1\times {\mathrm{283}}^1$

素因数の和:418

約数の個数: 60

約数和(自身を含む): 121442376

約数和(自身を除く): 56684901

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 113, 135, 225, 283, 339, 405, 565, 675, 849, 1017, 1415, 1695, 2025, 2547, 2825, 3051, 4245, 5085, 7075, 7641, 8475, 9153, 12735, 15255, 21225, 22923, 25425, 31979, 38205, 45765, 63675, 76275, 95937, 114615, 159895, 191025, 228825, 287811, 479685, 573075, 799475, 863433, 1439055, 2398425, 2590299, 4317165, 7195275, 12951495, 21585825, 64757475]

約数ペア:

[(1, 64757475), (3, 21585825), (5, 12951495), (9, 7195275), (15, 4317165), (25, 2590299), (27, 2398425), (45, 1439055), (75, 863433), (81, 799475), (113, 573075), (135, 479685), (225, 287811), (283, 228825), (339, 191025), (405, 159895), (565, 114615), (675, 95937), (849, 76275), (1017, 63675), (1415, 45765), (1695, 38205), (2025, 31979), (2547, 25425), (2825, 22923), (3051, 21225), (4245, 15255), (5085, 12735), (7075, 9153), (7641, 8475)]