28441935

素因数分解:

$3^9\times 5^1\times {\mathrm{17}}^2$

素因数の和:66

約数の個数: 60

約数和(自身を含む): 54383208

約数和(自身を除く): 25941273

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 289, 405, 459, 729, 765, 867, 1215, 1377, 1445, 2187, 2295, 2601, 3645, 4131, 4335, 6561, 6885, 7803, 10935, 12393, 13005, 19683, 20655, 23409, 32805, 37179, 39015, 61965, 70227, 98415, 111537, 117045, 185895, 210681, 334611, 351135, 557685, 632043, 1053405, 1673055, 1896129, 3160215, 5688387, 9480645, 28441935]

約数ペア:

[(1, 28441935), (3, 9480645), (5, 5688387), (9, 3160215), (15, 1896129), (17, 1673055), (27, 1053405), (45, 632043), (51, 557685), (81, 351135), (85, 334611), (135, 210681), (153, 185895), (243, 117045), (255, 111537), (289, 98415), (405, 70227), (459, 61965), (729, 39015), (765, 37179), (867, 32805), (1215, 23409), (1377, 20655), (1445, 19683), (2187, 13005), (2295, 12393), (2601, 10935), (3645, 7803), (4131, 6885), (4335, 6561)]