71865225

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{1543}}^1$

素因数の和:1588

約数の個数: 60

約数和(自身を含む): 138997056

約数和(自身を除く): 67131831

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 405, 575, 621, 675, 1035, 1543, 1725, 1863, 2025, 3105, 4629, 5175, 7715, 9315, 13887, 15525, 23145, 35489, 38575, 41661, 46575, 69435, 106467, 115725, 124983, 177445, 208305, 319401, 347175, 532335, 624915, 887225, 958203, 1041525, 1597005, 2661675, 2874609, 3124575, 4791015, 7985025, 14373045, 23955075, 71865225]

約数ペア:

[(1, 71865225), (3, 23955075), (5, 14373045), (9, 7985025), (15, 4791015), (23, 3124575), (25, 2874609), (27, 2661675), (45, 1597005), (69, 1041525), (75, 958203), (81, 887225), (115, 624915), (135, 532335), (207, 347175), (225, 319401), (345, 208305), (405, 177445), (575, 124983), (621, 115725), (675, 106467), (1035, 69435), (1543, 46575), (1725, 41661), (1863, 38575), (2025, 35489), (3105, 23145), (4629, 15525), (5175, 13887), (7715, 9315)]