1930005

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 4178304

約数和(自身を除く): 2248299

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 557, 693, 1155, 1671, 2785, 3465, 3899, 5013, 6127, 8355, 11697, 18381, 19495, 25065, 30635, 35091, 42889, 55143, 58485, 91905, 128667, 175455, 214445, 275715, 386001, 643335, 1930005]

約数ペア:

[(1, 1930005), (3, 643335), (5, 386001), (7, 275715), (9, 214445), (11, 175455), (15, 128667), (21, 91905), (33, 58485), (35, 55143), (45, 42889), (55, 35091), (63, 30635), (77, 25065), (99, 19495), (105, 18381), (165, 11697), (231, 8355), (315, 6127), (385, 5013), (495, 3899), (557, 3465), (693, 2785), (1155, 1671)]