27846945

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 57246696

約数和(自身を除く): 29399751

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 147, 173, 219, 245, 315, 365, 441, 511, 519, 657, 735, 865, 1095, 1211, 1533, 1557, 2205, 2555, 2595, 3285, 3577, 3633, 4599, 6055, 7665, 7785, 8477, 10731, 10899, 12629, 17885, 18165, 22995, 25431, 32193, 37887, 42385, 53655, 54495, 63145, 76293, 88403, 113661, 127155, 160965, 189435, 265209, 381465, 442015, 568305, 618821, 795627, 1326045, 1856463, 3094105, 3978135, 5569389, 9282315, 27846945]

約数ペア:

[(1, 27846945), (3, 9282315), (5, 5569389), (7, 3978135), (9, 3094105), (15, 1856463), (21, 1326045), (35, 795627), (45, 618821), (49, 568305), (63, 442015), (73, 381465), (105, 265209), (147, 189435), (173, 160965), (219, 127155), (245, 113661), (315, 88403), (365, 76293), (441, 63145), (511, 54495), (519, 53655), (657, 42385), (735, 37887), (865, 32193), (1095, 25431), (1211, 22995), (1533, 18165), (1557, 17885), (2205, 12629), (2555, 10899), (2595, 10731), (3285, 8477), (3577, 7785), (3633, 7665), (4599, 6055)]