27379975

素因数分解:

$5^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 48

約数和(自身を含む): 41267200

約数和(自身を除く): 13887225

約数列:

[1, 5, 7, 25, 31, 35, 49, 103, 155, 175, 217, 245, 343, 515, 721, 775, 1085, 1225, 1519, 1715, 2575, 3193, 3605, 5047, 5425, 7595, 8575, 10633, 15965, 18025, 22351, 25235, 35329, 37975, 53165, 79825, 111755, 126175, 156457, 176645, 265825, 558775, 782285, 883225, 1095199, 3911425, 5475995, 27379975]

約数ペア:

[(1, 27379975), (5, 5475995), (7, 3911425), (25, 1095199), (31, 883225), (35, 782285), (49, 558775), (103, 265825), (155, 176645), (175, 156457), (217, 126175), (245, 111755), (343, 79825), (515, 53165), (721, 37975), (775, 35329), (1085, 25235), (1225, 22351), (1519, 18025), (1715, 15965), (2575, 10633), (3193, 8575), (3605, 7595), (5047, 5425)]