30500001

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 55770624

約数和(自身を除く): 25270623

約数列:

[1, 3, 7, 9, 21, 23, 31, 49, 63, 69, 93, 97, 147, 161, 207, 217, 279, 291, 441, 483, 651, 679, 713, 873, 1127, 1449, 1519, 1953, 2037, 2139, 2231, 3007, 3381, 4557, 4753, 4991, 6111, 6417, 6693, 9021, 10143, 13671, 14259, 14973, 15617, 20079, 21049, 27063, 34937, 42777, 44919, 46851, 63147, 69161, 104811, 109319, 140553, 147343, 189441, 207483, 314433, 327957, 442029, 484127, 622449, 983871, 1326087, 1452381, 3388889, 4357143, 10166667, 30500001]

約数ペア:

[(1, 30500001), (3, 10166667), (7, 4357143), (9, 3388889), (21, 1452381), (23, 1326087), (31, 983871), (49, 622449), (63, 484127), (69, 442029), (93, 327957), (97, 314433), (147, 207483), (161, 189441), (207, 147343), (217, 140553), (279, 109319), (291, 104811), (441, 69161), (483, 63147), (651, 46851), (679, 44919), (713, 42777), (873, 34937), (1127, 27063), (1449, 21049), (1519, 20079), (1953, 15617), (2037, 14973), (2139, 14259), (2231, 13671), (3007, 10143), (3381, 9021), (4557, 6693), (4753, 6417), (4991, 6111)]