30220407

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 25799193

約数列:

[1, 3, 7, 9, 17, 21, 29, 49, 51, 63, 87, 119, 139, 147, 153, 203, 261, 357, 417, 441, 493, 609, 833, 973, 1071, 1251, 1421, 1479, 1827, 2363, 2499, 2919, 3451, 4031, 4263, 4437, 6811, 7089, 7497, 8757, 10353, 12093, 12789, 16541, 20433, 21267, 24157, 28217, 31059, 36279, 49623, 61299, 68527, 72471, 84651, 115787, 148869, 197519, 205581, 217413, 253953, 347361, 479689, 592557, 616743, 1042083, 1439067, 1777671, 3357823, 4317201, 10073469, 30220407]

約数ペア:

[(1, 30220407), (3, 10073469), (7, 4317201), (9, 3357823), (17, 1777671), (21, 1439067), (29, 1042083), (49, 616743), (51, 592557), (63, 479689), (87, 347361), (119, 253953), (139, 217413), (147, 205581), (153, 197519), (203, 148869), (261, 115787), (357, 84651), (417, 72471), (441, 68527), (493, 61299), (609, 49623), (833, 36279), (973, 31059), (1071, 28217), (1251, 24157), (1421, 21267), (1479, 20433), (1827, 16541), (2363, 12789), (2499, 12093), (2919, 10353), (3451, 8757), (4031, 7497), (4263, 7089), (4437, 6811)]