201970395

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{491}}^1$

素因数の和:793

約数の個数: 64

約数和(自身を含む): 393914880

約数和(自身を除く): 191944485

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 277, 297, 491, 495, 831, 1385, 1473, 1485, 2455, 2493, 3047, 4155, 4419, 5401, 7365, 7479, 9141, 12465, 13257, 15235, 16203, 22095, 27005, 27423, 37395, 45705, 48609, 66285, 81015, 82269, 136007, 137115, 145827, 243045, 408021, 411345, 680035, 729135, 1224063, 1496077, 2040105, 3672189, 4488231, 6120315, 7480385, 13464693, 18360945, 22441155, 40394079, 67323465, 201970395]

約数ペア:

[(1, 201970395), (3, 67323465), (5, 40394079), (9, 22441155), (11, 18360945), (15, 13464693), (27, 7480385), (33, 6120315), (45, 4488231), (55, 3672189), (99, 2040105), (135, 1496077), (165, 1224063), (277, 729135), (297, 680035), (491, 411345), (495, 408021), (831, 243045), (1385, 145827), (1473, 137115), (1485, 136007), (2455, 82269), (2493, 81015), (3047, 66285), (4155, 48609), (4419, 45705), (5401, 37395), (7365, 27423), (7479, 27005), (9141, 22095), (12465, 16203), (13257, 15235)]