1421355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 2528064

約数和(自身を除く): 1106709

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 197, 481, 555, 591, 985, 1443, 2405, 2561, 2955, 7215, 7289, 7683, 12805, 21867, 36445, 38415, 94757, 109335, 284271, 473785, 1421355]

約数ペア:

[(1, 1421355), (3, 473785), (5, 284271), (13, 109335), (15, 94757), (37, 38415), (39, 36445), (65, 21867), (111, 12805), (185, 7683), (195, 7289), (197, 7215), (481, 2955), (555, 2561), (591, 2405), (985, 1443)]