81269465

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1\times {\mathrm{941}}^1$

素因数の和:1720

約数の個数: 16

約数和(自身を含む): 102007296

約数和(自身を除く): 20737831

約数列:

[1, 5, 23, 115, 751, 941, 3755, 4705, 17273, 21643, 86365, 108215, 706691, 3533455, 16253893, 81269465]

約数ペア:

[(1, 81269465), (5, 16253893), (23, 3533455), (115, 706691), (751, 108215), (941, 86365), (3755, 21643), (4705, 17273)]