639087345

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1699}}^1$

素因数の和:2366

約数の個数: 48

約数和(自身を含む): 1195521600

約数和(自身を除く): 556434255

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 643, 1699, 1929, 3215, 5097, 5787, 8359, 8495, 9645, 15291, 22087, 25077, 25485, 28935, 41795, 66261, 75231, 76455, 110435, 125385, 198783, 331305, 376155, 993915, 1092457, 3277371, 5462285, 9832113, 14201941, 16386855, 42605823, 49160565, 71009705, 127817469, 213029115, 639087345]

約数ペア:

[(1, 639087345), (3, 213029115), (5, 127817469), (9, 71009705), (13, 49160565), (15, 42605823), (39, 16386855), (45, 14201941), (65, 9832113), (117, 5462285), (195, 3277371), (585, 1092457), (643, 993915), (1699, 376155), (1929, 331305), (3215, 198783), (5097, 125385), (5787, 110435), (8359, 76455), (8495, 75231), (9645, 66261), (15291, 41795), (22087, 28935), (25077, 25485)]