42240121

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 59246208

約数和(自身を除く): 17006087

約数列:

[1, 7, 11, 17, 23, 61, 77, 119, 161, 187, 253, 391, 427, 529, 671, 1037, 1309, 1403, 1771, 2737, 3703, 4301, 4697, 5819, 7259, 8993, 9821, 11407, 15433, 23851, 30107, 32269, 40733, 62951, 79849, 98923, 108031, 166957, 225883, 262361, 354959, 548573, 692461, 1836527, 2484713, 3840011, 6034303, 42240121]

約数ペア:

[(1, 42240121), (7, 6034303), (11, 3840011), (17, 2484713), (23, 1836527), (61, 692461), (77, 548573), (119, 354959), (161, 262361), (187, 225883), (253, 166957), (391, 108031), (427, 98923), (529, 79849), (671, 62951), (1037, 40733), (1309, 32269), (1403, 30107), (1771, 23851), (2737, 15433), (3703, 11407), (4301, 9821), (4697, 8993), (5819, 7259)]