221387145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 96

約数和(自身を含む): 441262080

約数和(自身を除く): 219874935

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 83, 95, 105, 133, 147, 191, 245, 249, 285, 399, 415, 573, 581, 665, 735, 931, 955, 1245, 1337, 1577, 1743, 1995, 2793, 2865, 2905, 3629, 4011, 4067, 4655, 4731, 6685, 7885, 8715, 9359, 10887, 11039, 12201, 13965, 15853, 18145, 20055, 20335, 23655, 25403, 28077, 33117, 46795, 47559, 54435, 55195, 61005, 76209, 77273, 79265, 110971, 127015, 140385, 165585, 177821, 231819, 237795, 301207, 332913, 381045, 386365, 533463, 554855, 776797, 889105, 903621, 1159095, 1506035, 1664565, 2108449, 2330391, 2667315, 3883985, 4518105, 6325347, 10542245, 11651955, 14759143, 31626735, 44277429, 73795715, 221387145]

約数ペア:

[(1, 221387145), (3, 73795715), (5, 44277429), (7, 31626735), (15, 14759143), (19, 11651955), (21, 10542245), (35, 6325347), (49, 4518105), (57, 3883985), (83, 2667315), (95, 2330391), (105, 2108449), (133, 1664565), (147, 1506035), (191, 1159095), (245, 903621), (249, 889105), (285, 776797), (399, 554855), (415, 533463), (573, 386365), (581, 381045), (665, 332913), (735, 301207), (931, 237795), (955, 231819), (1245, 177821), (1337, 165585), (1577, 140385), (1743, 127015), (1995, 110971), (2793, 79265), (2865, 77273), (2905, 76209), (3629, 61005), (4011, 55195), (4067, 54435), (4655, 47559), (4731, 46795), (6685, 33117), (7885, 28077), (8715, 25403), (9359, 23655), (10887, 20335), (11039, 20055), (12201, 18145), (13965, 15853)]