30928491

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 72

約数和(自身を含む): 55171584

約数和(自身を除く): 24243093

約数列:

[1, 3, 9, 11, 17, 23, 33, 47, 51, 69, 99, 141, 153, 187, 207, 253, 289, 391, 423, 517, 561, 759, 799, 867, 1081, 1173, 1551, 1683, 2277, 2397, 2601, 3179, 3243, 3519, 4301, 4653, 6647, 7191, 8789, 9537, 9729, 11891, 12903, 13583, 18377, 19941, 26367, 28611, 35673, 38709, 40749, 55131, 59823, 73117, 79101, 107019, 122247, 149413, 165393, 202147, 219351, 312409, 448239, 606441, 658053, 937227, 1344717, 1819323, 2811681, 3436499, 10309497, 30928491]

約数ペア:

[(1, 30928491), (3, 10309497), (9, 3436499), (11, 2811681), (17, 1819323), (23, 1344717), (33, 937227), (47, 658053), (51, 606441), (69, 448239), (99, 312409), (141, 219351), (153, 202147), (187, 165393), (207, 149413), (253, 122247), (289, 107019), (391, 79101), (423, 73117), (517, 59823), (561, 55131), (759, 40749), (799, 38709), (867, 35673), (1081, 28611), (1173, 26367), (1551, 19941), (1683, 18377), (2277, 13583), (2397, 12903), (2601, 11891), (3179, 9729), (3243, 9537), (3519, 8789), (4301, 7191), (4653, 6647)]