81397224

素因数分解:

$2^3\times 3^6\times {\mathrm{17}}^1\times {\mathrm{821}}^1$

素因数の和:862

約数の個数: 112

約数和(自身を含む): 242580420

約数和(自身を除く): 161183196

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 204, 216, 243, 306, 324, 408, 459, 486, 612, 648, 729, 821, 918, 972, 1224, 1377, 1458, 1642, 1836, 1944, 2463, 2754, 2916, 3284, 3672, 4131, 4926, 5508, 5832, 6568, 7389, 8262, 9852, 11016, 12393, 13957, 14778, 16524, 19704, 22167, 24786, 27914, 29556, 33048, 41871, 44334, 49572, 55828, 59112, 66501, 83742, 88668, 99144, 111656, 125613, 133002, 167484, 177336, 199503, 251226, 266004, 334968, 376839, 399006, 502452, 532008, 598509, 753678, 798012, 1004904, 1130517, 1197018, 1507356, 1596024, 2261034, 2394036, 3014712, 3391551, 4522068, 4788072, 6783102, 9044136, 10174653, 13566204, 20349306, 27132408, 40698612, 81397224]

約数ペア:

[(1, 81397224), (2, 40698612), (3, 27132408), (4, 20349306), (6, 13566204), (8, 10174653), (9, 9044136), (12, 6783102), (17, 4788072), (18, 4522068), (24, 3391551), (27, 3014712), (34, 2394036), (36, 2261034), (51, 1596024), (54, 1507356), (68, 1197018), (72, 1130517), (81, 1004904), (102, 798012), (108, 753678), (136, 598509), (153, 532008), (162, 502452), (204, 399006), (216, 376839), (243, 334968), (306, 266004), (324, 251226), (408, 199503), (459, 177336), (486, 167484), (612, 133002), (648, 125613), (729, 111656), (821, 99144), (918, 88668), (972, 83742), (1224, 66501), (1377, 59112), (1458, 55828), (1642, 49572), (1836, 44334), (1944, 41871), (2463, 33048), (2754, 29556), (2916, 27914), (3284, 24786), (3672, 22167), (4131, 19704), (4926, 16524), (5508, 14778), (5832, 13957), (6568, 12393), (7389, 11016), (8262, 9852)]