420996813

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{941}}^1$

素因数の和:1177

約数の個数: 32

約数和(自身を含む): 607703040

約数和(自身を除く): 186706227

約数列:

[1, 3, 19, 47, 57, 141, 167, 501, 893, 941, 2679, 2823, 3173, 7849, 9519, 17879, 23547, 44227, 53637, 132681, 149131, 157147, 447393, 471441, 840313, 2520939, 2985793, 7385909, 8957379, 22157727, 140332271, 420996813]

約数ペア:

[(1, 420996813), (3, 140332271), (19, 22157727), (47, 8957379), (57, 7385909), (141, 2985793), (167, 2520939), (501, 840313), (893, 471441), (941, 447393), (2679, 157147), (2823, 149131), (3173, 132681), (7849, 53637), (9519, 44227), (17879, 23547)]