220155831

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:429

約数の個数: 96

約数和(自身を含む): 419328000

約数和(自身を除く): 199172169

約数列:

[1, 3, 7, 9, 17, 19, 21, 31, 51, 57, 63, 93, 119, 133, 153, 171, 217, 279, 323, 349, 357, 399, 527, 589, 651, 969, 1047, 1071, 1197, 1581, 1767, 1953, 2261, 2443, 2907, 3141, 3689, 4123, 4743, 5301, 5933, 6631, 6783, 7329, 10013, 10819, 11067, 12369, 17799, 19893, 20349, 21987, 30039, 32457, 33201, 37107, 41531, 46417, 53397, 59679, 70091, 75733, 90117, 97371, 112727, 124593, 139251, 183923, 205561, 210273, 227199, 338181, 373779, 417753, 551769, 616683, 630819, 681597, 789089, 1014543, 1287461, 1438927, 1655307, 1850049, 2367267, 3494537, 3862383, 4316781, 7101801, 10483611, 11587149, 12950343, 24461759, 31450833, 73385277, 220155831]

約数ペア:

[(1, 220155831), (3, 73385277), (7, 31450833), (9, 24461759), (17, 12950343), (19, 11587149), (21, 10483611), (31, 7101801), (51, 4316781), (57, 3862383), (63, 3494537), (93, 2367267), (119, 1850049), (133, 1655307), (153, 1438927), (171, 1287461), (217, 1014543), (279, 789089), (323, 681597), (349, 630819), (357, 616683), (399, 551769), (527, 417753), (589, 373779), (651, 338181), (969, 227199), (1047, 210273), (1071, 205561), (1197, 183923), (1581, 139251), (1767, 124593), (1953, 112727), (2261, 97371), (2443, 90117), (2907, 75733), (3141, 70091), (3689, 59679), (4123, 53397), (4743, 46417), (5301, 41531), (5933, 37107), (6631, 33201), (6783, 32457), (7329, 30039), (10013, 21987), (10819, 20349), (11067, 19893), (12369, 17799)]