2005055552655

素因数分解:

$3^4\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1049}}^1\times {\mathrm{5507}}^1$

素因数の和:7430

約数の個数: 80

約数和(自身を含む): 3602526127200

約数和(自身を除く): 1597470574545

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 857, 1049, 2571, 3147, 4285, 5245, 5507, 7713, 9441, 12855, 15735, 16521, 23139, 27535, 28323, 38565, 47205, 49563, 69417, 82605, 84969, 115695, 141615, 148689, 247815, 347085, 424845, 446067, 743445, 898993, 2230335, 2696979, 4494965, 4719499, 5776843, 8090937, 13484895, 14158497, 17330529, 23597495, 24272811, 28884215, 40454685, 42475491, 51991587, 70792485, 72818433, 86652645, 121364055, 127426473, 155974761, 212377455, 259957935, 364092165, 382279419, 467924283, 637132365, 779873805, 1911397095, 2339621415, 4950754451, 14852263353, 24753772255, 44556790059, 74261316765, 133670370177, 222783950295, 401011110531, 668351850885, 2005055552655]

約数ペア:

[(1, 2005055552655), (3, 668351850885), (5, 401011110531), (9, 222783950295), (15, 133670370177), (27, 74261316765), (45, 44556790059), (81, 24753772255), (135, 14852263353), (405, 4950754451), (857, 2339621415), (1049, 1911397095), (2571, 779873805), (3147, 637132365), (4285, 467924283), (5245, 382279419), (5507, 364092165), (7713, 259957935), (9441, 212377455), (12855, 155974761), (15735, 127426473), (16521, 121364055), (23139, 86652645), (27535, 72818433), (28323, 70792485), (38565, 51991587), (47205, 42475491), (49563, 40454685), (69417, 28884215), (82605, 24272811), (84969, 23597495), (115695, 17330529), (141615, 14158497), (148689, 13484895), (247815, 8090937), (347085, 5776843), (424845, 4719499), (446067, 4494965), (743445, 2696979), (898993, 2230335)]