918990237

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{1993}}^1$

素因数の和:2253

約数の個数: 32

約数和(自身を含む): 1361024640

約数和(自身を除く): 442034403

約数列:

[1, 3, 11, 33, 89, 157, 267, 471, 979, 1727, 1993, 2937, 5181, 5979, 13973, 21923, 41919, 65769, 153703, 177377, 312901, 461109, 532131, 938703, 1951147, 3441911, 5853441, 10325733, 27848189, 83544567, 306330079, 918990237]

約数ペア:

[(1, 918990237), (3, 306330079), (11, 83544567), (33, 27848189), (89, 10325733), (157, 5853441), (267, 3441911), (471, 1951147), (979, 938703), (1727, 532131), (1993, 461109), (2937, 312901), (5181, 177377), (5979, 153703), (13973, 65769), (21923, 41919)]