87665985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 177914880

約数和(自身を除く): 90248895

約数列:

[1, 3, 5, 9, 11, 15, 29, 31, 33, 45, 55, 87, 93, 99, 145, 155, 165, 197, 261, 279, 319, 341, 435, 465, 495, 591, 899, 957, 985, 1023, 1305, 1395, 1595, 1705, 1773, 2167, 2697, 2871, 2955, 3069, 4495, 4785, 5115, 5713, 6107, 6501, 8091, 8865, 9889, 10835, 13485, 14355, 15345, 17139, 18321, 19503, 28565, 29667, 30535, 32505, 40455, 49445, 51417, 54963, 62843, 67177, 85695, 89001, 91605, 97515, 148335, 177103, 188529, 201531, 257085, 274815, 314215, 335885, 445005, 531309, 565587, 604593, 885515, 942645, 1007655, 1593927, 1948133, 2656545, 2827935, 3022965, 5844399, 7969635, 9740665, 17533197, 29221995, 87665985]

約数ペア:

[(1, 87665985), (3, 29221995), (5, 17533197), (9, 9740665), (11, 7969635), (15, 5844399), (29, 3022965), (31, 2827935), (33, 2656545), (45, 1948133), (55, 1593927), (87, 1007655), (93, 942645), (99, 885515), (145, 604593), (155, 565587), (165, 531309), (197, 445005), (261, 335885), (279, 314215), (319, 274815), (341, 257085), (435, 201531), (465, 188529), (495, 177103), (591, 148335), (899, 97515), (957, 91605), (985, 89001), (1023, 85695), (1305, 67177), (1395, 62843), (1595, 54963), (1705, 51417), (1773, 49445), (2167, 40455), (2697, 32505), (2871, 30535), (2955, 29667), (3069, 28565), (4495, 19503), (4785, 18321), (5115, 17139), (5713, 15345), (6107, 14355), (6501, 13485), (8091, 10835), (8865, 9889)]