8001945

素因数分解:

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

素因数の和:235

約数の個数: 72

約数和(自身を含む): 17072640

約数和(自身を除く): 9070695

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 49, 57, 63, 95, 105, 133, 147, 171, 191, 245, 285, 315, 399, 441, 573, 665, 735, 855, 931, 955, 1197, 1337, 1719, 1995, 2205, 2793, 2865, 3629, 4011, 4655, 5985, 6685, 8379, 8595, 9359, 10887, 12033, 13965, 18145, 20055, 25403, 28077, 32661, 41895, 46795, 54435, 60165, 76209, 84231, 127015, 140385, 163305, 177821, 228627, 381045, 421155, 533463, 889105, 1143135, 1600389, 2667315, 8001945]

約数ペア:

[(1, 8001945), (3, 2667315), (5, 1600389), (7, 1143135), (9, 889105), (15, 533463), (19, 421155), (21, 381045), (35, 228627), (45, 177821), (49, 163305), (57, 140385), (63, 127015), (95, 84231), (105, 76209), (133, 60165), (147, 54435), (171, 46795), (191, 41895), (245, 32661), (285, 28077), (315, 25403), (399, 20055), (441, 18145), (573, 13965), (665, 12033), (735, 10887), (855, 9359), (931, 8595), (955, 8379), (1197, 6685), (1337, 5985), (1719, 4655), (1995, 4011), (2205, 3629), (2793, 2865)]