157280265

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 289267200

約数和(自身を除く): 131986935

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 71, 135, 183, 213, 269, 305, 355, 549, 639, 807, 915, 1065, 1345, 1647, 1917, 2421, 2745, 3195, 4035, 4331, 7263, 8235, 9585, 12105, 12993, 16409, 19099, 21655, 36315, 38979, 49227, 57297, 64965, 82045, 95495, 116937, 147681, 171891, 194895, 246135, 286485, 443043, 515673, 584685, 738405, 859455, 1165039, 2215215, 2578365, 3495117, 5825195, 10485351, 17475585, 31456053, 52426755, 157280265]

約数ペア:

[(1, 157280265), (3, 52426755), (5, 31456053), (9, 17475585), (15, 10485351), (27, 5825195), (45, 3495117), (61, 2578365), (71, 2215215), (135, 1165039), (183, 859455), (213, 738405), (269, 584685), (305, 515673), (355, 443043), (549, 286485), (639, 246135), (807, 194895), (915, 171891), (1065, 147681), (1345, 116937), (1647, 95495), (1917, 82045), (2421, 64965), (2745, 57297), (3195, 49227), (4035, 38979), (4331, 36315), (7263, 21655), (8235, 19099), (9585, 16409), (12105, 12993)]