28555275

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 54560000

約数和(自身を除く): 26004725

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 109, 175, 327, 499, 525, 545, 763, 1497, 1635, 2289, 2495, 2725, 3493, 3815, 7485, 8175, 10479, 11445, 12475, 17465, 19075, 37425, 52395, 54391, 57225, 87325, 163173, 261975, 271955, 380737, 815865, 1142211, 1359775, 1903685, 4079325, 5711055, 9518425, 28555275]

約数ペア:

[(1, 28555275), (3, 9518425), (5, 5711055), (7, 4079325), (15, 1903685), (21, 1359775), (25, 1142211), (35, 815865), (75, 380737), (105, 271955), (109, 261975), (175, 163173), (327, 87325), (499, 57225), (525, 54391), (545, 52395), (763, 37425), (1497, 19075), (1635, 17465), (2289, 12475), (2495, 11445), (2725, 10479), (3493, 8175), (3815, 7485)]