42990705

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{56197}}^1$

素因数の和:56225

約数の個数: 24

約数和(自身を含む): 78901992

約数和(自身を除く): 35911287

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 56197, 168591, 280985, 505773, 842955, 955349, 2528865, 2866047, 4776745, 8598141, 14330235, 42990705]

約数ペア:

[(1, 42990705), (3, 14330235), (5, 8598141), (9, 4776745), (15, 2866047), (17, 2528865), (45, 955349), (51, 842955), (85, 505773), (153, 280985), (255, 168591), (765, 56197)]