209867715393

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{127271}}^1$

素因数の和:127478

約数の個数: 64

約数和(自身を含む): 351881625600

約数和(自身を除く): 142013910207

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 149, 217, 357, 447, 527, 651, 1043, 1581, 2533, 3129, 3689, 4619, 7599, 11067, 13857, 17731, 32333, 53193, 78523, 96999, 127271, 235569, 381813, 549661, 890897, 1648983, 2163607, 2672691, 3945401, 6490821, 11836203, 15145249, 18963379, 27617807, 45435747, 56890137, 67071817, 82853421, 132743653, 201215451, 322377443, 398230959, 469502719, 587864749, 967132329, 1408508157, 1763594247, 2256642101, 4115053243, 6769926303, 9993700733, 12345159729, 29981102199, 69955905131, 209867715393]

約数ペア:

[(1, 209867715393), (3, 69955905131), (7, 29981102199), (17, 12345159729), (21, 9993700733), (31, 6769926303), (51, 4115053243), (93, 2256642101), (119, 1763594247), (149, 1408508157), (217, 967132329), (357, 587864749), (447, 469502719), (527, 398230959), (651, 322377443), (1043, 201215451), (1581, 132743653), (2533, 82853421), (3129, 67071817), (3689, 56890137), (4619, 45435747), (7599, 27617807), (11067, 18963379), (13857, 15145249), (17731, 11836203), (32333, 6490821), (53193, 3945401), (78523, 2672691), (96999, 2163607), (127271, 1648983), (235569, 890897), (381813, 549661)]