321738885

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1153}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 633379824

約数和(自身を除く): 311640939

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 53, 65, 81, 117, 135, 159, 195, 265, 351, 405, 477, 585, 689, 795, 1053, 1153, 1431, 1755, 2067, 2385, 3445, 3459, 4293, 5265, 5765, 6201, 7155, 10335, 10377, 14989, 17295, 18603, 21465, 31005, 31131, 44967, 51885, 55809, 61109, 74945, 93015, 93393, 134901, 155655, 183327, 224835, 279045, 305545, 404703, 466965, 549981, 674505, 794417, 916635, 1214109, 1649943, 2023515, 2383251, 2749905, 3972085, 4949829, 6070545, 7149753, 8249715, 11916255, 21449259, 24749145, 35748765, 64347777, 107246295, 321738885]

約数ペア:

[(1, 321738885), (3, 107246295), (5, 64347777), (9, 35748765), (13, 24749145), (15, 21449259), (27, 11916255), (39, 8249715), (45, 7149753), (53, 6070545), (65, 4949829), (81, 3972085), (117, 2749905), (135, 2383251), (159, 2023515), (195, 1649943), (265, 1214109), (351, 916635), (405, 794417), (477, 674505), (585, 549981), (689, 466965), (795, 404703), (1053, 305545), (1153, 279045), (1431, 224835), (1755, 183327), (2067, 155655), (2385, 134901), (3445, 93393), (3459, 93015), (4293, 74945), (5265, 61109), (5765, 55809), (6201, 51885), (7155, 44967), (10335, 31131), (10377, 31005), (14989, 21465), (17295, 18603)]