31193793

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 48849840

約数和(自身を除く): 17656047

約数列:

[1, 3, 9, 17, 51, 67, 153, 179, 201, 289, 537, 603, 867, 1139, 1611, 2601, 3043, 3417, 9129, 10251, 11993, 19363, 27387, 35979, 51731, 58089, 107937, 155193, 174267, 203881, 465579, 611643, 1834929, 3465977, 10397931, 31193793]

約数ペア:

[(1, 31193793), (3, 10397931), (9, 3465977), (17, 1834929), (51, 611643), (67, 465579), (153, 203881), (179, 174267), (201, 155193), (289, 107937), (537, 58089), (603, 51731), (867, 35979), (1139, 27387), (1611, 19363), (2601, 11993), (3043, 10251), (3417, 9129)]