72803003

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:172

約数の個数: 48

約数和(自身を含む): 98380800

約数和(自身を除く): 25577797

約数列:

[1, 7, 13, 19, 41, 79, 91, 133, 169, 247, 287, 533, 553, 779, 1027, 1183, 1501, 1729, 3211, 3239, 3731, 5453, 6929, 7189, 10127, 10507, 13351, 19513, 22477, 22673, 42107, 48503, 61541, 70889, 93457, 131651, 136591, 253669, 294749, 430787, 547391, 800033, 921557, 1775683, 3831737, 5600231, 10400429, 72803003]

約数ペア:

[(1, 72803003), (7, 10400429), (13, 5600231), (19, 3831737), (41, 1775683), (79, 921557), (91, 800033), (133, 547391), (169, 430787), (247, 294749), (287, 253669), (533, 136591), (553, 131651), (779, 93457), (1027, 70889), (1183, 61541), (1501, 48503), (1729, 42107), (3211, 22673), (3239, 22477), (3731, 19513), (5453, 13351), (6929, 10507), (7189, 10127)]