201274785

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{919}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 362818560

約数和(自身を除く): 161543775

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 157, 279, 465, 471, 785, 919, 1395, 1413, 2355, 2757, 4595, 4867, 7065, 8271, 13785, 14601, 24335, 28489, 41355, 43803, 73005, 85467, 142445, 144283, 219015, 256401, 427335, 432849, 721415, 1282005, 1298547, 2164245, 4472773, 6492735, 13418319, 22363865, 40254957, 67091595, 201274785]

約数ペア:

[(1, 201274785), (3, 67091595), (5, 40254957), (9, 22363865), (15, 13418319), (31, 6492735), (45, 4472773), (93, 2164245), (155, 1298547), (157, 1282005), (279, 721415), (465, 432849), (471, 427335), (785, 256401), (919, 219015), (1395, 144283), (1413, 142445), (2355, 85467), (2757, 73005), (4595, 43803), (4867, 41355), (7065, 28489), (8271, 24335), (13785, 14601)]