637809825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1993}}^1$

素因数の和:2274

約数の個数: 48

約数和(自身を含む): 1121553216

約数和(自身を除く): 483743391

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 251, 255, 425, 753, 1255, 1275, 1993, 3765, 4267, 5979, 6275, 9965, 12801, 18825, 21335, 29895, 33881, 49825, 64005, 101643, 106675, 149475, 169405, 320025, 500243, 508215, 847025, 1500729, 2501215, 2541075, 7503645, 8504131, 12506075, 25512393, 37518225, 42520655, 127561965, 212603275, 637809825]

約数ペア:

[(1, 637809825), (3, 212603275), (5, 127561965), (15, 42520655), (17, 37518225), (25, 25512393), (51, 12506075), (75, 8504131), (85, 7503645), (251, 2541075), (255, 2501215), (425, 1500729), (753, 847025), (1255, 508215), (1275, 500243), (1993, 320025), (3765, 169405), (4267, 149475), (5979, 106675), (6275, 101643), (9965, 64005), (12801, 49825), (18825, 33881), (21335, 29895)]