1687696875

素因数分解:

$3^2\times 5^5\times {\mathrm{23}}^1\times {\mathrm{2609}}^1$

素因数の和:2663

約数の個数: 72

約数和(自身を含む): 3180733920

約数和(自身を除く): 1493037045

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 575, 625, 1035, 1125, 1725, 1875, 2609, 2875, 3125, 5175, 5625, 7827, 8625, 9375, 13045, 14375, 23481, 25875, 28125, 39135, 43125, 60007, 65225, 71875, 117405, 129375, 180021, 195675, 215625, 300035, 326125, 540063, 587025, 646875, 900105, 978375, 1500175, 1630625, 2700315, 2935125, 4500525, 4891875, 7500875, 8153125, 13501575, 14675625, 22502625, 24459375, 37504375, 67507875, 73378125, 112513125, 187521875, 337539375, 562565625, 1687696875]

約数ペア:

[(1, 1687696875), (3, 562565625), (5, 337539375), (9, 187521875), (15, 112513125), (23, 73378125), (25, 67507875), (45, 37504375), (69, 24459375), (75, 22502625), (115, 14675625), (125, 13501575), (207, 8153125), (225, 7500875), (345, 4891875), (375, 4500525), (575, 2935125), (625, 2700315), (1035, 1630625), (1125, 1500175), (1725, 978375), (1875, 900105), (2609, 646875), (2875, 587025), (3125, 540063), (5175, 326125), (5625, 300035), (7827, 215625), (8625, 195675), (9375, 180021), (13045, 129375), (14375, 117405), (23481, 71875), (25875, 65225), (28125, 60007), (39135, 43125)]