30947903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 39690240

約数和(自身を除く): 8742337

約数列:

[1, 7, 19, 23, 67, 133, 151, 161, 437, 469, 1057, 1273, 1541, 2869, 3059, 3473, 8911, 10117, 10787, 20083, 24311, 29279, 65987, 70819, 192223, 204953, 232691, 461909, 1345561, 1628837, 4421129, 30947903]

約数ペア:

[(1, 30947903), (7, 4421129), (19, 1628837), (23, 1345561), (67, 461909), (133, 232691), (151, 204953), (161, 192223), (437, 70819), (469, 65987), (1057, 29279), (1273, 24311), (1541, 20083), (2869, 10787), (3059, 10117), (3473, 8911)]