205141005

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 395176320

約数和(自身を除く): 190035315

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 53, 57, 81, 95, 135, 159, 171, 265, 285, 405, 477, 503, 513, 795, 855, 1007, 1431, 1509, 1539, 2385, 2515, 2565, 3021, 4293, 4527, 5035, 7155, 7545, 7695, 9063, 9557, 13581, 15105, 21465, 22635, 26659, 27189, 28671, 40743, 45315, 47785, 67905, 79977, 81567, 86013, 133295, 135945, 143355, 203715, 239931, 258039, 399885, 407835, 430065, 506521, 719793, 774117, 1199655, 1290195, 1519563, 2159379, 2532605, 3598965, 3870585, 4558689, 7597815, 10796895, 13676067, 22793445, 41028201, 68380335, 205141005]

約数ペア:

[(1, 205141005), (3, 68380335), (5, 41028201), (9, 22793445), (15, 13676067), (19, 10796895), (27, 7597815), (45, 4558689), (53, 3870585), (57, 3598965), (81, 2532605), (95, 2159379), (135, 1519563), (159, 1290195), (171, 1199655), (265, 774117), (285, 719793), (405, 506521), (477, 430065), (503, 407835), (513, 399885), (795, 258039), (855, 239931), (1007, 203715), (1431, 143355), (1509, 135945), (1539, 133295), (2385, 86013), (2515, 81567), (2565, 79977), (3021, 67905), (4293, 47785), (4527, 45315), (5035, 40743), (7155, 28671), (7545, 27189), (7695, 26659), (9063, 22635), (9557, 21465), (13581, 15105)]