219323295

素因数分解:

$3^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 408084480

約数和(自身を除く): 188761185

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 243, 279, 405, 465, 647, 729, 837, 1215, 1395, 1941, 2187, 2511, 3235, 3645, 4185, 5823, 7533, 9705, 10935, 12555, 17469, 20057, 22599, 29115, 37665, 52407, 60171, 67797, 87345, 100285, 112995, 157221, 180513, 262035, 300855, 338985, 471663, 541539, 786105, 902565, 1414989, 1624617, 2358315, 2707695, 4873851, 7074945, 8123085, 14621553, 24369255, 43864659, 73107765, 219323295]

約数ペア:

[(1, 219323295), (3, 73107765), (5, 43864659), (9, 24369255), (15, 14621553), (27, 8123085), (31, 7074945), (45, 4873851), (81, 2707695), (93, 2358315), (135, 1624617), (155, 1414989), (243, 902565), (279, 786105), (405, 541539), (465, 471663), (647, 338985), (729, 300855), (837, 262035), (1215, 180513), (1395, 157221), (1941, 112995), (2187, 100285), (2511, 87345), (3235, 67797), (3645, 60171), (4185, 52407), (5823, 37665), (7533, 29115), (9705, 22599), (10935, 20057), (12555, 17469)]