15121755

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{599}}^1$

素因数の和:641

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 15982245

約数列:

[1, 3, 5, 9, 11, 15, 17, 27, 33, 45, 51, 55, 85, 99, 135, 153, 165, 187, 255, 297, 459, 495, 561, 599, 765, 935, 1485, 1683, 1797, 2295, 2805, 2995, 5049, 5391, 6589, 8415, 8985, 10183, 16173, 19767, 25245, 26955, 30549, 32945, 50915, 59301, 80865, 91647, 98835, 112013, 152745, 177903, 274941, 296505, 336039, 458235, 560065, 889515, 1008117, 1374705, 1680195, 3024351, 5040585, 15121755]

約数ペア:

[(1, 15121755), (3, 5040585), (5, 3024351), (9, 1680195), (11, 1374705), (15, 1008117), (17, 889515), (27, 560065), (33, 458235), (45, 336039), (51, 296505), (55, 274941), (85, 177903), (99, 152745), (135, 112013), (153, 98835), (165, 91647), (187, 80865), (255, 59301), (297, 50915), (459, 32945), (495, 30549), (561, 26955), (599, 25245), (765, 19767), (935, 16173), (1485, 10183), (1683, 8985), (1797, 8415), (2295, 6589), (2805, 5391), (2995, 5049)]