207970515

素因数分解:

$3^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{7013}}^1$

素因数の和:7683

約数の個数: 24

約数和(自身を含む): 361080720

約数和(自身を除く): 153110205

約数列:

[1, 3, 5, 9, 15, 45, 659, 1977, 3295, 5931, 7013, 9885, 21039, 29655, 35065, 63117, 105195, 315585, 4621567, 13864701, 23107835, 41594103, 69323505, 207970515]

約数ペア:

[(1, 207970515), (3, 69323505), (5, 41594103), (9, 23107835), (15, 13864701), (45, 4621567), (659, 315585), (1977, 105195), (3295, 63117), (5931, 35065), (7013, 29655), (9885, 21039)]