178381305

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 327525120

約数和(自身を除く): 149143815

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 107, 135, 159, 233, 265, 321, 477, 535, 699, 795, 963, 1165, 1431, 1605, 2097, 2385, 2889, 3495, 4815, 5671, 6291, 7155, 10485, 12349, 14445, 17013, 24931, 28355, 31455, 37047, 51039, 61745, 74793, 85065, 111141, 124655, 153117, 185235, 224379, 255195, 333423, 373965, 555705, 673137, 765585, 1121895, 1321343, 1667115, 3365685, 3964029, 6606715, 11892087, 19820145, 35676261, 59460435, 178381305]

約数ペア:

[(1, 178381305), (3, 59460435), (5, 35676261), (9, 19820145), (15, 11892087), (27, 6606715), (45, 3964029), (53, 3365685), (107, 1667115), (135, 1321343), (159, 1121895), (233, 765585), (265, 673137), (321, 555705), (477, 373965), (535, 333423), (699, 255195), (795, 224379), (963, 185235), (1165, 153117), (1431, 124655), (1605, 111141), (2097, 85065), (2385, 74793), (2889, 61745), (3495, 51039), (4815, 37047), (5671, 31455), (6291, 28355), (7155, 24931), (10485, 17013), (12349, 14445)]