218013525

素因数分解:

$3^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2111}}^1$

素因数の和:2153

約数の個数: 72

約数和(自身を含む): 428972544

約数和(自身を除く): 210959019

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 243, 255, 405, 425, 459, 675, 765, 1215, 1275, 1377, 2025, 2111, 2295, 3825, 4131, 6075, 6333, 6885, 10555, 11475, 18999, 20655, 31665, 34425, 35887, 52775, 56997, 94995, 103275, 107661, 158325, 170991, 179435, 284985, 322983, 474975, 512973, 538305, 854955, 897175, 968949, 1424925, 1614915, 2564865, 2691525, 2906847, 4274775, 4844745, 8074575, 8720541, 12824325, 14534235, 24223725, 43602705, 72671175, 218013525]

約数ペア:

[(1, 218013525), (3, 72671175), (5, 43602705), (9, 24223725), (15, 14534235), (17, 12824325), (25, 8720541), (27, 8074575), (45, 4844745), (51, 4274775), (75, 2906847), (81, 2691525), (85, 2564865), (135, 1614915), (153, 1424925), (225, 968949), (243, 897175), (255, 854955), (405, 538305), (425, 512973), (459, 474975), (675, 322983), (765, 284985), (1215, 179435), (1275, 170991), (1377, 158325), (2025, 107661), (2111, 103275), (2295, 94995), (3825, 56997), (4131, 52775), (6075, 35887), (6333, 34425), (6885, 31665), (10555, 20655), (11475, 18999)]