42154215

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 69114816

約数和(自身を除く): 26960601

約数列:

[1, 3, 5, 15, 73, 137, 219, 281, 365, 411, 685, 843, 1095, 1405, 2055, 4215, 10001, 20513, 30003, 38497, 50005, 61539, 102565, 115491, 150015, 192485, 307695, 577455, 2810281, 8430843, 14051405, 42154215]

約数ペア:

[(1, 42154215), (3, 14051405), (5, 8430843), (15, 2810281), (73, 577455), (137, 307695), (219, 192485), (281, 150015), (365, 115491), (411, 102565), (685, 61539), (843, 50005), (1095, 38497), (1405, 30003), (2055, 20513), (4215, 10001)]