220167585

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{857}}^1$

素因数の和:1055

約数の個数: 64

約数和(自身を含む): 429960960

約数和(自身を除く): 209793375

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 173, 297, 495, 519, 857, 865, 1485, 1557, 1903, 2571, 2595, 4285, 4671, 5709, 7713, 7785, 9427, 9515, 12855, 17127, 23139, 23355, 28281, 28545, 38565, 47135, 51381, 84843, 85635, 115695, 141405, 148261, 254529, 256905, 424215, 444783, 741305, 1272645, 1334349, 1630871, 2223915, 4003047, 4892613, 6671745, 8154355, 14677839, 20015235, 24463065, 44033517, 73389195, 220167585]

約数ペア:

[(1, 220167585), (3, 73389195), (5, 44033517), (9, 24463065), (11, 20015235), (15, 14677839), (27, 8154355), (33, 6671745), (45, 4892613), (55, 4003047), (99, 2223915), (135, 1630871), (165, 1334349), (173, 1272645), (297, 741305), (495, 444783), (519, 424215), (857, 256905), (865, 254529), (1485, 148261), (1557, 141405), (1903, 115695), (2571, 85635), (2595, 84843), (4285, 51381), (4671, 47135), (5709, 38565), (7713, 28545), (7785, 28281), (9427, 23355), (9515, 23139), (12855, 17127)]