16200405

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:228

約数の個数: 80

約数和(自身を含む): 33297264

約数和(自身を除く): 17096859

約数列:

[1, 3, 5, 9, 13, 15, 17, 27, 39, 45, 51, 65, 81, 85, 117, 135, 153, 181, 195, 221, 255, 351, 405, 459, 543, 585, 663, 765, 905, 1053, 1105, 1377, 1629, 1755, 1989, 2295, 2353, 2715, 3077, 3315, 4887, 5265, 5967, 6885, 7059, 8145, 9231, 9945, 11765, 14661, 15385, 17901, 21177, 24435, 27693, 29835, 35295, 40001, 46155, 63531, 73305, 83079, 89505, 105885, 120003, 138465, 190593, 200005, 249237, 317655, 360009, 415395, 600015, 952965, 1080027, 1246185, 1800045, 3240081, 5400135, 16200405]

約数ペア:

[(1, 16200405), (3, 5400135), (5, 3240081), (9, 1800045), (13, 1246185), (15, 1080027), (17, 952965), (27, 600015), (39, 415395), (45, 360009), (51, 317655), (65, 249237), (81, 200005), (85, 190593), (117, 138465), (135, 120003), (153, 105885), (181, 89505), (195, 83079), (221, 73305), (255, 63531), (351, 46155), (405, 40001), (459, 35295), (543, 29835), (585, 27693), (663, 24435), (765, 21177), (905, 17901), (1053, 15385), (1105, 14661), (1377, 11765), (1629, 9945), (1755, 9231), (1989, 8145), (2295, 7059), (2353, 6885), (2715, 5967), (3077, 5265), (3315, 4887)]