81225342

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2399}}^1$

素因数の和:2443

約数の個数: 80

約数和(自身を含む): 209088000

約数和(自身を除く): 127862658

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 27, 33, 38, 54, 57, 66, 81, 99, 114, 162, 171, 198, 209, 297, 342, 418, 513, 594, 627, 891, 1026, 1254, 1539, 1782, 1881, 2399, 3078, 3762, 4798, 5643, 7197, 11286, 14394, 16929, 21591, 26389, 33858, 43182, 45581, 52778, 64773, 79167, 91162, 129546, 136743, 158334, 194319, 237501, 273486, 388638, 410229, 475002, 501391, 712503, 820458, 1002782, 1230687, 1425006, 1504173, 2137509, 2461374, 3008346, 3692061, 4275018, 4512519, 7384122, 9025038, 13537557, 27075114, 40612671, 81225342]

約数ペア:

[(1, 81225342), (2, 40612671), (3, 27075114), (6, 13537557), (9, 9025038), (11, 7384122), (18, 4512519), (19, 4275018), (22, 3692061), (27, 3008346), (33, 2461374), (38, 2137509), (54, 1504173), (57, 1425006), (66, 1230687), (81, 1002782), (99, 820458), (114, 712503), (162, 501391), (171, 475002), (198, 410229), (209, 388638), (297, 273486), (342, 237501), (418, 194319), (513, 158334), (594, 136743), (627, 129546), (891, 91162), (1026, 79167), (1254, 64773), (1539, 52778), (1782, 45581), (1881, 43182), (2399, 33858), (3078, 26389), (3762, 21591), (4798, 16929), (5643, 14394), (7197, 11286)]