61981245

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 112000512

約数和(自身を除く): 50019267

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 157, 279, 283, 465, 471, 785, 849, 1395, 1413, 1415, 2355, 2547, 4245, 4867, 7065, 8773, 12735, 14601, 24335, 26319, 43803, 43865, 44431, 73005, 78957, 131595, 133293, 219015, 222155, 394785, 399879, 666465, 1377361, 1999395, 4132083, 6886805, 12396249, 20660415, 61981245]

約数ペア:

[(1, 61981245), (3, 20660415), (5, 12396249), (9, 6886805), (15, 4132083), (31, 1999395), (45, 1377361), (93, 666465), (155, 399879), (157, 394785), (279, 222155), (283, 219015), (465, 133293), (471, 131595), (785, 78957), (849, 73005), (1395, 44431), (1413, 43865), (1415, 43803), (2355, 26319), (2547, 24335), (4245, 14601), (4867, 12735), (7065, 8773)]