16680015

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1087}}^1$

素因数の和:1140

約数の個数: 48

約数和(自身を含む): 32587776

約数和(自身を除く): 15907761

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1087, 1395, 1705, 3069, 3261, 5115, 5435, 9783, 11957, 15345, 16305, 33697, 35871, 48915, 59785, 101091, 107613, 168485, 179355, 303273, 370667, 505455, 538065, 1112001, 1516365, 1853335, 3336003, 5560005, 16680015]

約数ペア:

[(1, 16680015), (3, 5560005), (5, 3336003), (9, 1853335), (11, 1516365), (15, 1112001), (31, 538065), (33, 505455), (45, 370667), (55, 303273), (93, 179355), (99, 168485), (155, 107613), (165, 101091), (279, 59785), (341, 48915), (465, 35871), (495, 33697), (1023, 16305), (1087, 15345), (1395, 11957), (1705, 9783), (3069, 5435), (3261, 5115)]