81821981556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1061}}^1\times {\mathrm{306023}}^1$

素因数の和:307101

約数の個数: 72

約数和(自身を含む): 236598171264

約数和(自身を除く): 154776189708

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1061, 2122, 3183, 4244, 6366, 7427, 9549, 12732, 14854, 19098, 22281, 29708, 38196, 44562, 66843, 89124, 133686, 267372, 306023, 612046, 918069, 1224092, 1836138, 2142161, 2754207, 3672276, 4284322, 5508414, 6426483, 8568644, 11016828, 12852966, 19279449, 25705932, 38558898, 77117796, 324690403, 649380806, 974071209, 1298761612, 1948142418, 2272832821, 2922213627, 3896284836, 4545665642, 5844427254, 6818498463, 9091331284, 11688854508, 13636996926, 20455495389, 27273993852, 40910990778, 81821981556]

約数ペア:

[(1, 81821981556), (2, 40910990778), (3, 27273993852), (4, 20455495389), (6, 13636996926), (7, 11688854508), (9, 9091331284), (12, 6818498463), (14, 5844427254), (18, 4545665642), (21, 3896284836), (28, 2922213627), (36, 2272832821), (42, 1948142418), (63, 1298761612), (84, 974071209), (126, 649380806), (252, 324690403), (1061, 77117796), (2122, 38558898), (3183, 25705932), (4244, 19279449), (6366, 12852966), (7427, 11016828), (9549, 8568644), (12732, 6426483), (14854, 5508414), (19098, 4284322), (22281, 3672276), (29708, 2754207), (38196, 2142161), (44562, 1836138), (66843, 1224092), (89124, 918069), (133686, 612046), (267372, 306023)]