28969995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{641}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 48812544

約数和(自身を除く): 19842549

約数列:

[1, 3, 5, 15, 23, 69, 115, 131, 345, 393, 641, 655, 1923, 1965, 3013, 3205, 9039, 9615, 14743, 15065, 44229, 45195, 73715, 83971, 221145, 251913, 419855, 1259565, 1931333, 5793999, 9656665, 28969995]

約数ペア:

[(1, 28969995), (3, 9656665), (5, 5793999), (15, 1931333), (23, 1259565), (69, 419855), (115, 251913), (131, 221145), (345, 83971), (393, 73715), (641, 45195), (655, 44229), (1923, 15065), (1965, 14743), (3013, 9615), (3205, 9039)]