16761855

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 31518720

約数和(自身を除く): 14756865

約数列:

[1, 3, 5, 11, 15, 29, 31, 33, 55, 87, 93, 113, 145, 155, 165, 319, 339, 341, 435, 465, 565, 899, 957, 1023, 1243, 1595, 1695, 1705, 2697, 3277, 3503, 3729, 4495, 4785, 5115, 6215, 9831, 9889, 10509, 13485, 16385, 17515, 18645, 29667, 36047, 38533, 49155, 49445, 52545, 101587, 108141, 115599, 148335, 180235, 192665, 304761, 507935, 540705, 577995, 1117457, 1523805, 3352371, 5587285, 16761855]

約数ペア:

[(1, 16761855), (3, 5587285), (5, 3352371), (11, 1523805), (15, 1117457), (29, 577995), (31, 540705), (33, 507935), (55, 304761), (87, 192665), (93, 180235), (113, 148335), (145, 115599), (155, 108141), (165, 101587), (319, 52545), (339, 49445), (341, 49155), (435, 38533), (465, 36047), (565, 29667), (899, 18645), (957, 17515), (1023, 16385), (1243, 13485), (1595, 10509), (1695, 9889), (1705, 9831), (2697, 6215), (3277, 5115), (3503, 4785), (3729, 4495)]