161815071

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{431}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 244187136

約数和(自身を除く): 82372065

約数列:

[1, 3, 11, 31, 33, 93, 341, 367, 431, 1023, 1101, 1293, 4037, 4741, 11377, 12111, 13361, 14223, 34131, 40083, 125147, 146971, 158177, 375441, 440913, 474531, 1739947, 4903487, 5219841, 14710461, 53938357, 161815071]

約数ペア:

[(1, 161815071), (3, 53938357), (11, 14710461), (31, 5219841), (33, 4903487), (93, 1739947), (341, 474531), (367, 440913), (431, 375441), (1023, 158177), (1101, 146971), (1293, 125147), (4037, 40083), (4741, 34131), (11377, 14223), (12111, 13361)]