287712165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 528595200

約数和(自身を除く): 240883035

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 229, 255, 379, 663, 687, 1105, 1137, 1145, 1895, 2977, 3315, 3435, 3893, 4927, 5685, 6443, 8931, 11679, 14781, 14885, 19329, 19465, 24635, 32215, 44655, 50609, 58395, 73905, 83759, 86791, 96645, 151827, 251277, 253045, 260373, 418795, 433955, 759135, 1128283, 1256385, 1301865, 1475447, 3384849, 4426341, 5641415, 7377235, 16924245, 19180811, 22131705, 57542433, 95904055, 287712165]

約数ペア:

[(1, 287712165), (3, 95904055), (5, 57542433), (13, 22131705), (15, 19180811), (17, 16924245), (39, 7377235), (51, 5641415), (65, 4426341), (85, 3384849), (195, 1475447), (221, 1301865), (229, 1256385), (255, 1128283), (379, 759135), (663, 433955), (687, 418795), (1105, 260373), (1137, 253045), (1145, 251277), (1895, 151827), (2977, 96645), (3315, 86791), (3435, 83759), (3893, 73905), (4927, 58395), (5685, 50609), (6443, 44655), (8931, 32215), (11679, 24635), (14781, 19465), (14885, 19329)]