30981285

素因数分解:

$3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 57081024

約数和(自身を除く): 26099739

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 81, 129, 135, 215, 243, 387, 405, 593, 645, 1161, 1215, 1779, 1935, 2965, 3483, 5337, 5805, 8895, 10449, 16011, 17415, 25499, 26685, 48033, 52245, 76497, 80055, 127495, 144099, 229491, 240165, 382485, 688473, 720495, 1147455, 2065419, 3442365, 6196257, 10327095, 30981285]

約数ペア:

[(1, 30981285), (3, 10327095), (5, 6196257), (9, 3442365), (15, 2065419), (27, 1147455), (43, 720495), (45, 688473), (81, 382485), (129, 240165), (135, 229491), (215, 144099), (243, 127495), (387, 80055), (405, 76497), (593, 52245), (645, 48033), (1161, 26685), (1215, 25499), (1779, 17415), (1935, 16011), (2965, 10449), (3483, 8895), (5337, 5805)]