15629985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{59}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 32610240

約数和(自身を除く): 16980255

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 59, 63, 87, 105, 145, 177, 203, 261, 295, 315, 413, 435, 531, 609, 841, 885, 1015, 1239, 1305, 1711, 1827, 2065, 2523, 2655, 3045, 3717, 4205, 5133, 5887, 6195, 7569, 8555, 9135, 11977, 12615, 15399, 17661, 18585, 25665, 29435, 35931, 37845, 49619, 52983, 59885, 76995, 88305, 107793, 148857, 179655, 248095, 264915, 347333, 446571, 538965, 744285, 1041999, 1736665, 2232855, 3125997, 5209995, 15629985]

約数ペア:

[(1, 15629985), (3, 5209995), (5, 3125997), (7, 2232855), (9, 1736665), (15, 1041999), (21, 744285), (29, 538965), (35, 446571), (45, 347333), (59, 264915), (63, 248095), (87, 179655), (105, 148857), (145, 107793), (177, 88305), (203, 76995), (261, 59885), (295, 52983), (315, 49619), (413, 37845), (435, 35931), (531, 29435), (609, 25665), (841, 18585), (885, 17661), (1015, 15399), (1239, 12615), (1305, 11977), (1711, 9135), (1827, 8555), (2065, 7569), (2523, 6195), (2655, 5887), (3045, 5133), (3717, 4205)]