30881115

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 58245120

約数和(自身を除く): 27364005

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 47, 93, 135, 141, 155, 157, 235, 279, 423, 465, 471, 705, 785, 837, 1269, 1395, 1413, 1457, 2115, 2355, 4185, 4239, 4371, 4867, 6345, 7065, 7285, 7379, 13113, 14601, 21195, 21855, 22137, 24335, 36895, 39339, 43803, 65565, 66411, 73005, 110685, 131409, 196695, 199233, 219015, 228749, 332055, 657045, 686247, 996165, 1143745, 2058741, 3431235, 6176223, 10293705, 30881115]

約数ペア:

[(1, 30881115), (3, 10293705), (5, 6176223), (9, 3431235), (15, 2058741), (27, 1143745), (31, 996165), (45, 686247), (47, 657045), (93, 332055), (135, 228749), (141, 219015), (155, 199233), (157, 196695), (235, 131409), (279, 110685), (423, 73005), (465, 66411), (471, 65565), (705, 43803), (785, 39339), (837, 36895), (1269, 24335), (1395, 22137), (1413, 21855), (1457, 21195), (2115, 14601), (2355, 13113), (4185, 7379), (4239, 7285), (4371, 7065), (4867, 6345)]