66729915

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:649

約数の個数: 72

約数和(自身を含む): 137328048

約数和(自身を除く): 70598133

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 53, 63, 105, 147, 159, 245, 265, 315, 371, 441, 477, 571, 735, 795, 1113, 1713, 1855, 2205, 2385, 2597, 2855, 3339, 3997, 5139, 5565, 7791, 8565, 11991, 12985, 16695, 19985, 23373, 25695, 27979, 30263, 35973, 38955, 59955, 83937, 90789, 116865, 139895, 151315, 179865, 211841, 251811, 272367, 419685, 453945, 635523, 1059205, 1259055, 1361835, 1482887, 1906569, 3177615, 4448661, 7414435, 9532845, 13345983, 22243305, 66729915]

約数ペア:

[(1, 66729915), (3, 22243305), (5, 13345983), (7, 9532845), (9, 7414435), (15, 4448661), (21, 3177615), (35, 1906569), (45, 1482887), (49, 1361835), (53, 1259055), (63, 1059205), (105, 635523), (147, 453945), (159, 419685), (245, 272367), (265, 251811), (315, 211841), (371, 179865), (441, 151315), (477, 139895), (571, 116865), (735, 90789), (795, 83937), (1113, 59955), (1713, 38955), (1855, 35973), (2205, 30263), (2385, 27979), (2597, 25695), (2855, 23373), (3339, 19985), (3997, 16695), (5139, 12985), (5565, 11991), (7791, 8565)]