17972428803

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1\times {\mathrm{557}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 28481891328

約数和(自身を除く): 10509462525

約数列:

[1, 3, 7, 21, 37, 111, 131, 259, 317, 393, 557, 777, 917, 951, 1671, 2219, 2751, 3899, 4847, 6657, 11697, 11729, 14541, 20609, 33929, 35187, 41527, 61827, 72967, 82103, 101787, 124581, 144263, 176569, 218901, 246309, 290689, 432789, 510769, 529707, 872067, 1235983, 1532307, 1536499, 2699779, 3707949, 4609497, 6533053, 8099337, 10755493, 18898453, 19599159, 23130539, 32266479, 45731371, 56695359, 69391617, 137194113, 161913773, 485741319, 855829943, 2567489829, 5990809601, 17972428803]

約数ペア:

[(1, 17972428803), (3, 5990809601), (7, 2567489829), (21, 855829943), (37, 485741319), (111, 161913773), (131, 137194113), (259, 69391617), (317, 56695359), (393, 45731371), (557, 32266479), (777, 23130539), (917, 19599159), (951, 18898453), (1671, 10755493), (2219, 8099337), (2751, 6533053), (3899, 4609497), (4847, 3707949), (6657, 2699779), (11697, 1536499), (11729, 1532307), (14541, 1235983), (20609, 872067), (33929, 529707), (35187, 510769), (41527, 432789), (61827, 290689), (72967, 246309), (82103, 218901), (101787, 176569), (124581, 144263)]