189997245

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{24691}}^1$

素因数の和:24727

約数の個数: 40

約数和(自身を含む): 358527840

約数和(自身を除く): 168530595

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 24691, 74073, 123455, 222219, 370365, 469129, 666657, 1111095, 1407387, 1999971, 2345645, 3333285, 4222161, 7036935, 9999855, 12666483, 21110805, 37999449, 63332415, 189997245]

約数ペア:

[(1, 189997245), (3, 63332415), (5, 37999449), (9, 21110805), (15, 12666483), (19, 9999855), (27, 7036935), (45, 4222161), (57, 3333285), (81, 2345645), (95, 1999971), (135, 1407387), (171, 1111095), (285, 666657), (405, 469129), (513, 370365), (855, 222219), (1539, 123455), (2565, 74073), (7695, 24691)]