219049005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1861}}^1$

素因数の和:1954

約数の個数: 64

約数和(自身を含む): 429004800

約数和(自身を除く): 209955795

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 59, 95, 105, 133, 177, 285, 295, 399, 413, 665, 885, 1121, 1239, 1861, 1995, 2065, 3363, 5583, 5605, 6195, 7847, 9305, 13027, 16815, 23541, 27915, 35359, 39081, 39235, 65135, 106077, 109799, 117705, 176795, 195405, 247513, 329397, 530385, 548995, 742539, 768593, 1237565, 1646985, 2086181, 2305779, 3712695, 3842965, 6258543, 10430905, 11528895, 14603267, 31292715, 43809801, 73016335, 219049005]

約数ペア:

[(1, 219049005), (3, 73016335), (5, 43809801), (7, 31292715), (15, 14603267), (19, 11528895), (21, 10430905), (35, 6258543), (57, 3842965), (59, 3712695), (95, 2305779), (105, 2086181), (133, 1646985), (177, 1237565), (285, 768593), (295, 742539), (399, 548995), (413, 530385), (665, 329397), (885, 247513), (1121, 195405), (1239, 176795), (1861, 117705), (1995, 109799), (2065, 106077), (3363, 65135), (5583, 39235), (5605, 39081), (6195, 35359), (7847, 27915), (9305, 23541), (13027, 16815)]