28078515

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9043}}^1$

素因数の和:9080

約数の個数: 32

約数和(自身を含む): 52093440

約数和(自身を除く): 24014925

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 9043, 27129, 45215, 81387, 135645, 207989, 244161, 406935, 623967, 1039945, 1220805, 1871901, 3119835, 5615703, 9359505, 28078515]

約数ペア:

[(1, 28078515), (3, 9359505), (5, 5615703), (9, 3119835), (15, 1871901), (23, 1220805), (27, 1039945), (45, 623967), (69, 406935), (115, 244161), (135, 207989), (207, 135645), (345, 81387), (621, 45215), (1035, 27129), (3105, 9043)]