31901793

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 54774720

約数和(自身を除く): 22872927

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 109, 147, 181, 231, 327, 539, 543, 763, 1199, 1267, 1617, 1991, 2289, 3597, 3801, 5341, 5973, 8393, 8869, 13937, 16023, 19729, 25179, 26607, 41811, 58751, 59187, 97559, 138103, 176253, 217019, 292677, 414309, 651057, 966721, 1519133, 2900163, 4557399, 10633931, 31901793]

約数ペア:

[(1, 31901793), (3, 10633931), (7, 4557399), (11, 2900163), (21, 1519133), (33, 966721), (49, 651057), (77, 414309), (109, 292677), (147, 217019), (181, 176253), (231, 138103), (327, 97559), (539, 59187), (543, 58751), (763, 41811), (1199, 26607), (1267, 25179), (1617, 19729), (1991, 16023), (2289, 13937), (3597, 8869), (3801, 8393), (5341, 5973)]