258313005

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{1511}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 467026560

約数和(自身を除く): 208713555

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 131, 145, 261, 393, 435, 655, 1179, 1305, 1511, 1965, 3799, 4533, 5895, 7555, 11397, 13599, 18995, 22665, 34191, 43819, 56985, 67995, 131457, 170955, 197941, 219095, 394371, 593823, 657285, 989705, 1781469, 1971855, 2969115, 5740289, 8907345, 17220867, 28701445, 51662601, 86104335, 258313005]

約数ペア:

[(1, 258313005), (3, 86104335), (5, 51662601), (9, 28701445), (15, 17220867), (29, 8907345), (45, 5740289), (87, 2969115), (131, 1971855), (145, 1781469), (261, 989705), (393, 657285), (435, 593823), (655, 394371), (1179, 219095), (1305, 197941), (1511, 170955), (1965, 131457), (3799, 67995), (4533, 56985), (5895, 43819), (7555, 34191), (11397, 22665), (13599, 18995)]