28032711

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 47155200

約数和(自身を除く): 19122489

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 149, 217, 289, 357, 447, 527, 651, 867, 1043, 1581, 2023, 2533, 3129, 3689, 4619, 6069, 7599, 8959, 11067, 13857, 17731, 26877, 32333, 43061, 53193, 62713, 78523, 96999, 129183, 188139, 235569, 301427, 549661, 904281, 1334891, 1648983, 4004673, 9344237, 28032711]

約数ペア:

[(1, 28032711), (3, 9344237), (7, 4004673), (17, 1648983), (21, 1334891), (31, 904281), (51, 549661), (93, 301427), (119, 235569), (149, 188139), (217, 129183), (289, 96999), (357, 78523), (447, 62713), (527, 53193), (651, 43061), (867, 32333), (1043, 26877), (1581, 17731), (2023, 13857), (2533, 11067), (3129, 8959), (3689, 7599), (4619, 6069)]