320410815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{54631}}^1$

素因数の和:54679

約数の個数: 32

約数和(自身を含む): 566424576

約数和(自身を除く): 246013761

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 54631, 163893, 273155, 819465, 928727, 1256513, 2786181, 3769539, 4643635, 6282565, 13930905, 18847695, 21360721, 64082163, 106803605, 320410815]

約数ペア:

[(1, 320410815), (3, 106803605), (5, 64082163), (15, 21360721), (17, 18847695), (23, 13930905), (51, 6282565), (69, 4643635), (85, 3769539), (115, 2786181), (255, 1256513), (345, 928727), (391, 819465), (1173, 273155), (1955, 163893), (5865, 54631)]