87172695

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 158801760

約数和(自身を除く): 71629065

約数列:

[1, 3, 5, 9, 15, 29, 45, 67, 87, 145, 201, 261, 335, 435, 603, 997, 1005, 1305, 1943, 2991, 3015, 4985, 5829, 8973, 9715, 14955, 17487, 28913, 29145, 44865, 66799, 86739, 87435, 144565, 200397, 260217, 333995, 433695, 601191, 1001985, 1301085, 1937171, 3005955, 5811513, 9685855, 17434539, 29057565, 87172695]

約数ペア:

[(1, 87172695), (3, 29057565), (5, 17434539), (9, 9685855), (15, 5811513), (29, 3005955), (45, 1937171), (67, 1301085), (87, 1001985), (145, 601191), (201, 433695), (261, 333995), (335, 260217), (435, 200397), (603, 144565), (997, 87435), (1005, 86739), (1305, 66799), (1943, 44865), (2991, 29145), (3015, 28913), (4985, 17487), (5829, 14955), (8973, 9715)]