17970435

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 36054720

約数和(自身を除く): 18084285

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 267, 315, 445, 623, 641, 801, 1335, 1869, 1923, 3115, 3205, 4005, 4487, 5607, 5769, 9345, 9615, 13461, 22435, 28035, 28845, 40383, 57049, 67305, 171147, 201915, 285245, 399343, 513441, 855735, 1198029, 1996715, 2567205, 3594087, 5990145, 17970435]

約数ペア:

[(1, 17970435), (3, 5990145), (5, 3594087), (7, 2567205), (9, 1996715), (15, 1198029), (21, 855735), (35, 513441), (45, 399343), (63, 285245), (89, 201915), (105, 171147), (267, 67305), (315, 57049), (445, 40383), (623, 28845), (641, 28035), (801, 22435), (1335, 13461), (1869, 9615), (1923, 9345), (3115, 5769), (3205, 5607), (4005, 4487)]