4247685

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 8137584

約数和(自身を除く): 3889899

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 53, 65, 117, 137, 159, 195, 265, 411, 477, 585, 685, 689, 795, 1233, 1781, 2055, 2067, 2385, 3445, 5343, 6165, 6201, 7261, 8905, 10335, 16029, 21783, 26715, 31005, 36305, 65349, 80145, 94393, 108915, 283179, 326745, 471965, 849537, 1415895, 4247685]

約数ペア:

[(1, 4247685), (3, 1415895), (5, 849537), (9, 471965), (13, 326745), (15, 283179), (39, 108915), (45, 94393), (53, 80145), (65, 65349), (117, 36305), (137, 31005), (159, 26715), (195, 21783), (265, 16029), (411, 10335), (477, 8905), (585, 7261), (685, 6201), (689, 6165), (795, 5343), (1233, 3445), (1781, 2385), (2055, 2067)]