71784135

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{821}}^1$

素因数の和:928

約数の個数: 48

約数和(自身を含む): 130796640

約数和(自身を除く): 59012505

約数列:

[1, 3, 5, 9, 15, 29, 45, 67, 87, 145, 201, 261, 335, 435, 603, 821, 1005, 1305, 1943, 2463, 3015, 4105, 5829, 7389, 9715, 12315, 17487, 23809, 29145, 36945, 55007, 71427, 87435, 119045, 165021, 214281, 275035, 357135, 495063, 825105, 1071405, 1595203, 2475315, 4785609, 7976015, 14356827, 23928045, 71784135]

約数ペア:

[(1, 71784135), (3, 23928045), (5, 14356827), (9, 7976015), (15, 4785609), (29, 2475315), (45, 1595203), (67, 1071405), (87, 825105), (145, 495063), (201, 357135), (261, 275035), (335, 214281), (435, 165021), (603, 119045), (821, 87435), (1005, 71427), (1305, 55007), (1943, 36945), (2463, 29145), (3015, 23809), (4105, 17487), (5829, 12315), (7389, 9715)]