291238995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{2663}}^1$

素因数の和:3011

約数の個数: 32

約数和(自身を含む): 487959552

約数和(自身を除く): 196720557

約数列:

[1, 3, 5, 15, 23, 69, 115, 317, 345, 951, 1585, 2663, 4755, 7291, 7989, 13315, 21873, 36455, 39945, 61249, 109365, 183747, 306245, 844171, 918735, 2532513, 4220855, 12662565, 19415933, 58247799, 97079665, 291238995]

約数ペア:

[(1, 291238995), (3, 97079665), (5, 58247799), (15, 19415933), (23, 12662565), (69, 4220855), (115, 2532513), (317, 918735), (345, 844171), (951, 306245), (1585, 183747), (2663, 109365), (4755, 61249), (7291, 39945), (7989, 36455), (13315, 21873)]