28603815

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:839

約数の個数: 32

約数和(自身を含む): 47663616

約数和(自身を除く): 19059801

約数列:

[1, 3, 5, 15, 43, 61, 129, 183, 215, 305, 645, 727, 915, 2181, 2623, 3635, 7869, 10905, 13115, 31261, 39345, 44347, 93783, 133041, 156305, 221735, 468915, 665205, 1906921, 5720763, 9534605, 28603815]

約数ペア:

[(1, 28603815), (3, 9534605), (5, 5720763), (15, 1906921), (43, 665205), (61, 468915), (129, 221735), (183, 156305), (215, 133041), (305, 93783), (645, 44347), (727, 39345), (915, 31261), (2181, 13115), (2623, 10905), (3635, 7869)]