2140725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 3964032

約数和(自身を除く): 1823307

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 69, 73, 75, 85, 115, 219, 255, 345, 365, 391, 425, 575, 1095, 1173, 1241, 1275, 1679, 1725, 1825, 1955, 3723, 5037, 5475, 5865, 6205, 8395, 9775, 18615, 25185, 28543, 29325, 31025, 41975, 85629, 93075, 125925, 142715, 428145, 713575, 2140725]

約数ペア:

[(1, 2140725), (3, 713575), (5, 428145), (15, 142715), (17, 125925), (23, 93075), (25, 85629), (51, 41975), (69, 31025), (73, 29325), (75, 28543), (85, 25185), (115, 18615), (219, 9775), (255, 8395), (345, 6205), (365, 5865), (391, 5475), (425, 5037), (575, 3723), (1095, 1955), (1173, 1825), (1241, 1725), (1275, 1679)]