71717979

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 103638528

約数和(自身を除く): 31920549

約数列:

[1, 3, 23, 41, 69, 101, 123, 251, 303, 753, 943, 2323, 2829, 4141, 5773, 6969, 10291, 12423, 17319, 25351, 30873, 76053, 95243, 236693, 285729, 583073, 710079, 1039391, 1749219, 3118173, 23905993, 71717979]

約数ペア:

[(1, 71717979), (3, 23905993), (23, 3118173), (41, 1749219), (69, 1039391), (101, 710079), (123, 583073), (251, 285729), (303, 236693), (753, 95243), (943, 76053), (2323, 30873), (2829, 25351), (4141, 17319), (5773, 12423), (6969, 10291)]