231490377

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 372677760

約数和(自身を除く): 141187383

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 157, 207, 391, 419, 471, 1173, 1257, 1413, 2669, 3519, 3611, 3771, 7123, 8007, 9637, 10833, 21369, 24021, 28911, 32499, 61387, 64107, 65783, 86733, 163829, 184161, 197349, 491487, 552483, 592047, 1118311, 1474461, 1513009, 3354933, 4539027, 10064799, 13617081, 25721153, 77163459, 231490377]

約数ペア:

[(1, 231490377), (3, 77163459), (9, 25721153), (17, 13617081), (23, 10064799), (51, 4539027), (69, 3354933), (153, 1513009), (157, 1474461), (207, 1118311), (391, 592047), (419, 552483), (471, 491487), (1173, 197349), (1257, 184161), (1413, 163829), (2669, 86733), (3519, 65783), (3611, 64107), (3771, 61387), (7123, 32499), (8007, 28911), (9637, 24021), (10833, 21369)]