68001921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 113218560

約数和(自身を除く): 45216639

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 179, 191, 221, 537, 573, 663, 1611, 1719, 1989, 2327, 2483, 3043, 3247, 6981, 7449, 9129, 9741, 20943, 22347, 27387, 29223, 34189, 39559, 42211, 102567, 118677, 126633, 307701, 356031, 379899, 444457, 581213, 1333371, 1743639, 4000113, 5230917, 7555769, 22667307, 68001921]

約数ペア:

[(1, 68001921), (3, 22667307), (9, 7555769), (13, 5230917), (17, 4000113), (39, 1743639), (51, 1333371), (117, 581213), (153, 444457), (179, 379899), (191, 356031), (221, 307701), (537, 126633), (573, 118677), (663, 102567), (1611, 42211), (1719, 39559), (1989, 34189), (2327, 29223), (2483, 27387), (3043, 22347), (3247, 20943), (6981, 9741), (7449, 9129)]