27970605

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 52743600

約数和(自身を除く): 24772995

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 137, 195, 349, 411, 585, 685, 1047, 1233, 1745, 1781, 2055, 3141, 4537, 5235, 5343, 6165, 8905, 13611, 15705, 16029, 22685, 26715, 40833, 47813, 68055, 80145, 143439, 204165, 239065, 430317, 621569, 717195, 1864707, 2151585, 3107845, 5594121, 9323535, 27970605]

約数ペア:

[(1, 27970605), (3, 9323535), (5, 5594121), (9, 3107845), (13, 2151585), (15, 1864707), (39, 717195), (45, 621569), (65, 430317), (117, 239065), (137, 204165), (195, 143439), (349, 80145), (411, 68055), (585, 47813), (685, 40833), (1047, 26715), (1233, 22685), (1745, 16029), (1781, 15705), (2055, 13611), (3141, 8905), (4537, 6165), (5235, 5343)]