2169972225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1429}}^1$

素因数の和:1859

約数の個数: 72

約数和(自身を含む): 4128541560

約数和(自身を除く): 1958569335

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 397, 425, 765, 1191, 1275, 1429, 1985, 3573, 3825, 4287, 5955, 6749, 7145, 9925, 12861, 17865, 20247, 21435, 24293, 29775, 33745, 35725, 60741, 64305, 72879, 89325, 101235, 107175, 121465, 168725, 218637, 303705, 321525, 364395, 506175, 567313, 607325, 1093185, 1518525, 1701939, 1821975, 2836565, 5105817, 5465925, 8509695, 9644321, 14182825, 25529085, 28932963, 42548475, 48221605, 86798889, 127645425, 144664815, 241108025, 433994445, 723324075, 2169972225]

約数ペア:

[(1, 2169972225), (3, 723324075), (5, 433994445), (9, 241108025), (15, 144664815), (17, 127645425), (25, 86798889), (45, 48221605), (51, 42548475), (75, 28932963), (85, 25529085), (153, 14182825), (225, 9644321), (255, 8509695), (397, 5465925), (425, 5105817), (765, 2836565), (1191, 1821975), (1275, 1701939), (1429, 1518525), (1985, 1093185), (3573, 607325), (3825, 567313), (4287, 506175), (5955, 364395), (6749, 321525), (7145, 303705), (9925, 218637), (12861, 168725), (17865, 121465), (20247, 107175), (21435, 101235), (24293, 89325), (29775, 72879), (33745, 64305), (35725, 60741)]