78897567

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 126074880

約数和(自身を除く): 47177313

約数列:

[1, 3, 7, 21, 23, 69, 161, 379, 431, 483, 1137, 1293, 2653, 3017, 7959, 8717, 9051, 9913, 26151, 29739, 61019, 69391, 163349, 183057, 208173, 490047, 1143443, 3430329, 3757027, 11271081, 26299189, 78897567]

約数ペア:

[(1, 78897567), (3, 26299189), (7, 11271081), (21, 3757027), (23, 3430329), (69, 1143443), (161, 490047), (379, 208173), (431, 183057), (483, 163349), (1137, 69391), (1293, 61019), (2653, 29739), (3017, 26151), (7959, 9913), (8717, 9051)]