249888969

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 444312000

約数和(自身を除く): 194423031

約数列:

[1, 3, 9, 11, 19, 27, 29, 33, 57, 81, 87, 99, 171, 209, 261, 297, 319, 509, 513, 551, 627, 783, 891, 957, 1527, 1539, 1653, 1881, 2349, 2871, 4581, 4959, 5599, 5643, 6061, 8613, 9671, 13743, 14761, 14877, 16797, 16929, 18183, 25839, 29013, 41229, 44283, 44631, 50391, 54549, 87039, 106381, 132849, 151173, 162371, 163647, 261117, 280459, 319143, 398547, 453519, 487113, 490941, 783351, 841377, 957429, 1195641, 1461339, 2524131, 2872287, 3085049, 4384017, 7572393, 8616861, 9255147, 13152051, 22717179, 27765441, 83296323, 249888969]

約数ペア:

[(1, 249888969), (3, 83296323), (9, 27765441), (11, 22717179), (19, 13152051), (27, 9255147), (29, 8616861), (33, 7572393), (57, 4384017), (81, 3085049), (87, 2872287), (99, 2524131), (171, 1461339), (209, 1195641), (261, 957429), (297, 841377), (319, 783351), (509, 490941), (513, 487113), (551, 453519), (627, 398547), (783, 319143), (891, 280459), (957, 261117), (1527, 163647), (1539, 162371), (1653, 151173), (1881, 132849), (2349, 106381), (2871, 87039), (4581, 54549), (4959, 50391), (5599, 44631), (5643, 44283), (6061, 41229), (8613, 29013), (9671, 25839), (13743, 18183), (14761, 16929), (14877, 16797)]