31125705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 58490880

約数和(自身を除く): 27365175

約数列:

[1, 3, 5, 13, 15, 19, 31, 39, 57, 65, 93, 95, 155, 195, 247, 271, 285, 403, 465, 589, 741, 813, 1209, 1235, 1355, 1767, 2015, 2945, 3523, 3705, 4065, 5149, 6045, 7657, 8401, 8835, 10569, 15447, 17615, 22971, 25203, 25745, 38285, 42005, 52845, 66937, 77235, 109213, 114855, 126015, 159619, 200811, 327639, 334685, 478857, 546065, 798095, 1004055, 1638195, 2075047, 2394285, 6225141, 10375235, 31125705]

約数ペア:

[(1, 31125705), (3, 10375235), (5, 6225141), (13, 2394285), (15, 2075047), (19, 1638195), (31, 1004055), (39, 798095), (57, 546065), (65, 478857), (93, 334685), (95, 327639), (155, 200811), (195, 159619), (247, 126015), (271, 114855), (285, 109213), (403, 77235), (465, 66937), (589, 52845), (741, 42005), (813, 38285), (1209, 25745), (1235, 25203), (1355, 22971), (1767, 17615), (2015, 15447), (2945, 10569), (3523, 8835), (3705, 8401), (4065, 7657), (5149, 6045)]