78819741

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{673}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 153930816

約数和(自身を除く): 75111075

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 169, 231, 273, 429, 507, 673, 693, 819, 1001, 1183, 1287, 1521, 1859, 2019, 3003, 3549, 4711, 5577, 6057, 7403, 8749, 9009, 10647, 13013, 14133, 16731, 22209, 26247, 39039, 42399, 51821, 61243, 66627, 78741, 96239, 113737, 117117, 155463, 183729, 288717, 341211, 466389, 551187, 673673, 796159, 866151, 1023633, 1251107, 2021019, 2388477, 3753321, 6063057, 7165431, 8757749, 11259963, 26273247, 78819741]

約数ペア:

[(1, 78819741), (3, 26273247), (7, 11259963), (9, 8757749), (11, 7165431), (13, 6063057), (21, 3753321), (33, 2388477), (39, 2021019), (63, 1251107), (77, 1023633), (91, 866151), (99, 796159), (117, 673673), (143, 551187), (169, 466389), (231, 341211), (273, 288717), (429, 183729), (507, 155463), (673, 117117), (693, 113737), (819, 96239), (1001, 78741), (1183, 66627), (1287, 61243), (1521, 51821), (1859, 42399), (2019, 39039), (3003, 26247), (3549, 22209), (4711, 16731), (5577, 14133), (6057, 13013), (7403, 10647), (8749, 9009)]