971680455

素因数分解:

$3^6\times 5^1\times {\mathrm{269}}^1\times {\mathrm{991}}^1$

素因数の和:1283

約数の個数: 56

約数和(自身を含む): 1756494720

約数和(自身を除く): 784814265

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 269, 405, 729, 807, 991, 1215, 1345, 2421, 2973, 3645, 4035, 4955, 7263, 8919, 12105, 14865, 21789, 26757, 36315, 44595, 65367, 80271, 108945, 133785, 196101, 240813, 266579, 326835, 401355, 722439, 799737, 980505, 1204065, 1332895, 2399211, 3612195, 3998685, 7197633, 11996055, 21592899, 35988165, 64778697, 107964495, 194336091, 323893485, 971680455]

約数ペア:

[(1, 971680455), (3, 323893485), (5, 194336091), (9, 107964495), (15, 64778697), (27, 35988165), (45, 21592899), (81, 11996055), (135, 7197633), (243, 3998685), (269, 3612195), (405, 2399211), (729, 1332895), (807, 1204065), (991, 980505), (1215, 799737), (1345, 722439), (2421, 401355), (2973, 326835), (3645, 266579), (4035, 240813), (4955, 196101), (7263, 133785), (8919, 108945), (12105, 80271), (14865, 65367), (21789, 44595), (26757, 36315)]