18651345

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 30772224

約数和(自身を除く): 12120879

約数列:

[1, 3, 5, 15, 71, 83, 211, 213, 249, 355, 415, 633, 1055, 1065, 1245, 3165, 5893, 14981, 17513, 17679, 29465, 44943, 52539, 74905, 87565, 88395, 224715, 262695, 1243423, 3730269, 6217115, 18651345]

約数ペア:

[(1, 18651345), (3, 6217115), (5, 3730269), (15, 1243423), (71, 262695), (83, 224715), (211, 88395), (213, 87565), (249, 74905), (355, 52539), (415, 44943), (633, 29465), (1055, 17679), (1065, 17513), (1245, 14981), (3165, 5893)]