2788896969

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^2$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 4498977600

約数和(自身を除く): 1710080631

約数列:

[1, 3, 9, 19, 29, 57, 71, 87, 89, 171, 213, 261, 267, 551, 639, 801, 1349, 1653, 1691, 2059, 2581, 4047, 4959, 5073, 6177, 6319, 7743, 7921, 12141, 15219, 18531, 18957, 23229, 23763, 39121, 49039, 56871, 71289, 117363, 120061, 147117, 150499, 183251, 229709, 352089, 360183, 441351, 451497, 549753, 562391, 689127, 1080549, 1354491, 1649259, 1687173, 2067381, 3481769, 4364471, 5061519, 10445307, 10685429, 13093413, 16309339, 31335921, 32056287, 39280239, 48928017, 96168861, 146784051, 309877441, 929632323, 2788896969]

約数ペア:

[(1, 2788896969), (3, 929632323), (9, 309877441), (19, 146784051), (29, 96168861), (57, 48928017), (71, 39280239), (87, 32056287), (89, 31335921), (171, 16309339), (213, 13093413), (261, 10685429), (267, 10445307), (551, 5061519), (639, 4364471), (801, 3481769), (1349, 2067381), (1653, 1687173), (1691, 1649259), (2059, 1354491), (2581, 1080549), (4047, 689127), (4959, 562391), (5073, 549753), (6177, 451497), (6319, 441351), (7743, 360183), (7921, 352089), (12141, 229709), (15219, 183251), (18531, 150499), (18957, 147117), (23229, 120061), (23763, 117363), (39121, 71289), (49039, 56871)]