28518045

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{631}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 48052224

約数和(自身を除く): 19534179

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 345, 393, 631, 655, 1893, 1965, 3013, 3155, 9039, 9465, 14513, 15065, 43539, 45195, 72565, 82661, 217695, 247983, 413305, 1239915, 1901203, 5703609, 9506015, 28518045]

約数ペア:

[(1, 28518045), (3, 9506015), (5, 5703609), (15, 1901203), (23, 1239915), (69, 413305), (115, 247983), (131, 217695), (345, 82661), (393, 72565), (631, 45195), (655, 43539), (1893, 15065), (1965, 14513), (3013, 9465), (3155, 9039)]