8168925

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 14731200

約数和(自身を除く): 6562275

約数列:

[1, 3, 5, 15, 17, 25, 43, 51, 75, 85, 129, 149, 215, 255, 425, 447, 645, 731, 745, 1075, 1275, 2193, 2235, 2533, 3225, 3655, 3725, 6407, 7599, 10965, 11175, 12665, 18275, 19221, 32035, 37995, 54825, 63325, 96105, 108919, 160175, 189975, 326757, 480525, 544595, 1633785, 2722975, 8168925]

約数ペア:

[(1, 8168925), (3, 2722975), (5, 1633785), (15, 544595), (17, 480525), (25, 326757), (43, 189975), (51, 160175), (75, 108919), (85, 96105), (129, 63325), (149, 54825), (215, 37995), (255, 32035), (425, 19221), (447, 18275), (645, 12665), (731, 11175), (745, 10965), (1075, 7599), (1275, 6407), (2193, 3725), (2235, 3655), (2533, 3225)]