420121317

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1637}}^1$

素因数の和:1770

約数の個数: 48

約数和(自身を含む): 711075456

約数和(自身を除く): 290954139

約数列:

[1, 3, 7, 11, 21, 33, 77, 101, 121, 231, 303, 363, 707, 847, 1111, 1637, 2121, 2541, 3333, 4911, 7777, 11459, 12221, 18007, 23331, 34377, 36663, 54021, 85547, 126049, 165337, 198077, 256641, 378147, 496011, 594231, 1157359, 1386539, 1818707, 3472077, 4159617, 5456121, 12730949, 20005777, 38192847, 60017331, 140040439, 420121317]

約数ペア:

[(1, 420121317), (3, 140040439), (7, 60017331), (11, 38192847), (21, 20005777), (33, 12730949), (77, 5456121), (101, 4159617), (121, 3472077), (231, 1818707), (303, 1386539), (363, 1157359), (707, 594231), (847, 496011), (1111, 378147), (1637, 256641), (2121, 198077), (2541, 165337), (3333, 126049), (4911, 85547), (7777, 54021), (11459, 36663), (12221, 34377), (18007, 23331)]