90515985

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 171916800

約数和(自身を除く): 81400815

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 73, 105, 147, 219, 241, 245, 343, 365, 511, 723, 735, 1029, 1095, 1205, 1533, 1687, 1715, 2555, 3577, 3615, 5061, 5145, 7665, 8435, 10731, 11809, 17593, 17885, 25039, 25305, 35427, 52779, 53655, 59045, 75117, 82663, 87965, 123151, 125195, 177135, 247989, 263895, 369453, 375585, 413315, 615755, 862057, 1239945, 1847265, 2586171, 4310285, 6034399, 12930855, 18103197, 30171995, 90515985]

約数ペア:

[(1, 90515985), (3, 30171995), (5, 18103197), (7, 12930855), (15, 6034399), (21, 4310285), (35, 2586171), (49, 1847265), (73, 1239945), (105, 862057), (147, 615755), (219, 413315), (241, 375585), (245, 369453), (343, 263895), (365, 247989), (511, 177135), (723, 125195), (735, 123151), (1029, 87965), (1095, 82663), (1205, 75117), (1533, 59045), (1687, 53655), (1715, 52779), (2555, 35427), (3577, 25305), (3615, 25039), (5061, 17885), (5145, 17593), (7665, 11809), (8435, 10731)]