81162585

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 172523520

約数和(自身を除く): 91360935

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 71, 95, 105, 133, 171, 191, 213, 285, 315, 355, 399, 497, 573, 639, 665, 855, 955, 1065, 1197, 1337, 1349, 1491, 1719, 1995, 2485, 2865, 3195, 3629, 4011, 4047, 4473, 5985, 6685, 6745, 7455, 8595, 9443, 10887, 12033, 12141, 13561, 18145, 20055, 20235, 22365, 25403, 28329, 32661, 40683, 47215, 54435, 60165, 60705, 67805, 76209, 84987, 94927, 122049, 127015, 141645, 163305, 203415, 228627, 257659, 284781, 381045, 424935, 474635, 610245, 772977, 854343, 1143135, 1288295, 1423905, 1803613, 2318931, 3864885, 4271715, 5410839, 9018065, 11594655, 16232517, 27054195, 81162585]

約数ペア:

[(1, 81162585), (3, 27054195), (5, 16232517), (7, 11594655), (9, 9018065), (15, 5410839), (19, 4271715), (21, 3864885), (35, 2318931), (45, 1803613), (57, 1423905), (63, 1288295), (71, 1143135), (95, 854343), (105, 772977), (133, 610245), (171, 474635), (191, 424935), (213, 381045), (285, 284781), (315, 257659), (355, 228627), (399, 203415), (497, 163305), (573, 141645), (639, 127015), (665, 122049), (855, 94927), (955, 84987), (1065, 76209), (1197, 67805), (1337, 60705), (1349, 60165), (1491, 54435), (1719, 47215), (1995, 40683), (2485, 32661), (2865, 28329), (3195, 25403), (3629, 22365), (4011, 20235), (4047, 20055), (4473, 18145), (5985, 13561), (6685, 12141), (6745, 12033), (7455, 10887), (8595, 9443)]