81162972

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{7591}}^1$

素因数の和:7621

約数の個数: 72

約数和(自身を含む): 232132992

約数和(自身を除く): 150970020

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 243, 297, 324, 396, 486, 594, 891, 972, 1188, 1782, 2673, 3564, 5346, 7591, 10692, 15182, 22773, 30364, 45546, 68319, 83501, 91092, 136638, 167002, 204957, 250503, 273276, 334004, 409914, 501006, 614871, 751509, 819828, 1002012, 1229742, 1503018, 1844613, 2254527, 2459484, 3006036, 3689226, 4509054, 6763581, 7378452, 9018108, 13527162, 20290743, 27054324, 40581486, 81162972]

約数ペア:

[(1, 81162972), (2, 40581486), (3, 27054324), (4, 20290743), (6, 13527162), (9, 9018108), (11, 7378452), (12, 6763581), (18, 4509054), (22, 3689226), (27, 3006036), (33, 2459484), (36, 2254527), (44, 1844613), (54, 1503018), (66, 1229742), (81, 1002012), (99, 819828), (108, 751509), (132, 614871), (162, 501006), (198, 409914), (243, 334004), (297, 273276), (324, 250503), (396, 204957), (486, 167002), (594, 136638), (891, 91092), (972, 83501), (1188, 68319), (1782, 45546), (2673, 30364), (3564, 22773), (5346, 15182), (7591, 10692)]