15876945

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 32970240

約数和(自身を除く): 17093295

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 53, 63, 105, 135, 159, 189, 265, 315, 317, 371, 477, 795, 945, 951, 1113, 1431, 1585, 1855, 2219, 2385, 2853, 3339, 4755, 5565, 6657, 7155, 8559, 10017, 11095, 14265, 16695, 16801, 19971, 33285, 42795, 50085, 50403, 59913, 84005, 99855, 117607, 151209, 252015, 299565, 352821, 453627, 588035, 756045, 1058463, 1764105, 2268135, 3175389, 5292315, 15876945]

約数ペア:

[(1, 15876945), (3, 5292315), (5, 3175389), (7, 2268135), (9, 1764105), (15, 1058463), (21, 756045), (27, 588035), (35, 453627), (45, 352821), (53, 299565), (63, 252015), (105, 151209), (135, 117607), (159, 99855), (189, 84005), (265, 59913), (315, 50403), (317, 50085), (371, 42795), (477, 33285), (795, 19971), (945, 16801), (951, 16695), (1113, 14265), (1431, 11095), (1585, 10017), (1855, 8559), (2219, 7155), (2385, 6657), (2853, 5565), (3339, 4755)]