87123975

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 152802720

約数和(自身を除く): 65678745

約数列:

[1, 3, 5, 15, 25, 29, 41, 75, 87, 123, 145, 205, 435, 615, 725, 977, 1025, 1189, 2175, 2931, 3075, 3567, 4885, 5945, 14655, 17835, 24425, 28333, 29725, 40057, 73275, 84999, 89175, 120171, 141665, 200285, 424995, 600855, 708325, 1001425, 1161653, 2124975, 3004275, 3484959, 5808265, 17424795, 29041325, 87123975]

約数ペア:

[(1, 87123975), (3, 29041325), (5, 17424795), (15, 5808265), (25, 3484959), (29, 3004275), (41, 2124975), (75, 1161653), (87, 1001425), (123, 708325), (145, 600855), (205, 424995), (435, 200285), (615, 141665), (725, 120171), (977, 89175), (1025, 84999), (1189, 73275), (2175, 40057), (2931, 29725), (3075, 28333), (3567, 24425), (4885, 17835), (5945, 14655)]